flat
1 of 4adjective
ˈflat 
flatter; flattest
1
a
: lying at full length or spread out upon the ground : prostrate
The soldiers were lying flat on the ground.
b
: utterly ruined or destroyed
buildings flat from the blast
c
: resting with a surface against something
Push the chairs flat against the wall.
2
a
: having a continuous horizontal surface
the flat landscape of the prairie
b
: being or characterized by a horizontal line or tracing without peaks or depressions
a flat EEG
3
: having a relatively smooth or even surface
a flat computer disk
4
: arranged or laid out so as to be level or even
maps flat on the desk
5
a
: having the major surfaces essentially parallel and distinctly greater than the minor surfaces
a flat piece of wood
b
of a shoe heel : very low and broad
flat shoes for work
6
a
: clearly unmistakable
a flat denial
b(1)
: not varying : fixed
a flat rate
(2)
: having no fraction either lacking or in excess : exact
in a flat 10 seconds
(3)
of a frequency response : not varying significantly throughout its range
7
a
: lacking in animation, zest, or vigor : dull
He spoke in a flat, tired voice.
b
: lacking flavor : tasteless
The stew is too flat.
c
: lacking effervescence or sparkle
flat ginger ale
d
: commercially inactive
also : characterized by no significant rise or decline from one period to another
sales were flat
e
of a tire : lacking air : deflated
f
chiefly British, of a battery : dead sense 3c, discharged
8
a(1)
of a tone : lowered a half step in pitch
(2)
: lower than the proper pitch
b
of the vowel a : pronounced as in bad or bat
9
a
: having a low trajectory (see trajectory sense 1)
made a flat pass that was intercepted
b
of a tennis stroke : made so as to give little or no spin to the ball
10
: not having an inflectional ending
flat adverbs
11
of a sail : taut
12
a
: uniform in hue or shade
figures standing out against a background of flat wash
b
: having little or no illusion of depth
c
of a photograph or negative : lacking contrast
d
of lighting conditions : lacking shadows or contours
e
: free from gloss : having a nonreflective finish
a flat paint
f
: two-dimensional sense 3
flat characters
13
: of, relating to, or used in competition on the flat
a flat horse
14
of a universe : having a mass such that expansion halts only after infinite time and collapse never occurs
flatly adverb
flatness noun
flattish
ˈfla-tish
adjective flat
2 of 4noun
1
a
: a level surface of land —usually used in plural
sagebrush flatstidal flats
b
: a stretch of land without obstacles
especially : a track or course for a flat race —usually used with the
has won twice on the flat
2
: a flat part or surface
the flat of one's hand
3
a
: a musical note or tone one half step lower than a specified note or tone
b
: a character ♭ on a line or space of the musical staff indicating a half step drop in pitch
4
: something flat: such as
a
: a shallow container for shipping produce
b
: a shallow box in which seedlings are started
c
: a flat piece of theatrical scenery
d
: a shoe or slipper having a flat heel or no heel
5
chiefly British : an apartment on one floor
6
: a deflated tire
7
: the area to either side of an offensive football formation
flat
3 of 4adverb
1
: in a flat manner : directly, positively
2
: in a complete manner : absolutely
flat broke
3
: below the proper musical pitch
4
: without interest charge
especially : without allowance or charge for accrued interest
bonds sold flat
flat
4 of 4verb
flatted; flatting
transitive verb
1
: flatten
2
: to lower in pitch especially by a half step
intransitive verb
: to sing or play below the true pitch
Synonyms
Adjective
- even
- exact
- precise
- round
Noun
- apartment
- diggings [chiefly British]
- digs
- lodgings
- suite
- tenement
Adverb
- all
- all of
- all over
- altogether
- clean
- completely
- dead
- enough
- entire
- entirely
- even
- exactly
- fast
- full
- fully
- heartily
- out
- perfectly
- plumb [chiefly dialect]
- quite
- soundly
- thoroughly
- through and through
- totally
- utterly
- well
- wholly
- wide
See all Synonyms & Antonyms 
Example Sentences
Adjective the flat top of the table the flat landscape of the prairie Coins are usually round and flat. a flat piece of wood Noun the flat of your hand the flat of a sword Adverb Lay the map flat on the desk. He slipped and landed flat on his back. We asked for more time but they turned us down flat. See More
Recent Examples on the Web
Lauren Hertz, The Arizona Republic, 16 Sep. 2022 In exchange for keeping their entire commission, La Rosa agents pay a flat transaction fee for every sale, along with a monthly fee. Tim Barker, Orlando Sentinel, 16 Sep. 2022 Instead of charging a flat monthly fee, users can choose between $10, $20 and $30 tiers, each that come with a certain number of credits that can be spent on movies. Marisa Dellatto, Forbes, 25 Aug. 2022 Relying on one risks your own safety and damage to your vehicle, and could leave you stranded due to a problem as simple as a flat tire. Wes Siler, Outside Online, 24 Aug. 2022 Officers located the suspect vehicle, which had a flat tire, at the Speedway on Detroit Road at Bradley Road. Bruce Geiselman, cleveland, 20 Aug. 2022 On a very hot day in 1995, Matt Pettigrew and his sister, Ann, were birding along a desolate dirt road in southeastern Arizona’s Huachuca Mountains when their rental car got a flat tire. John Kelly, Washington Post, 16 Aug. 2022 There is so little weight on the front end that the car can be driven to a service station without damaging a flat front tire. Car and Driver, 11 Aug. 2022 Already multiple laps down after a Lap 24 incident that gave him a flat right-front tire, Kyle Larson suffered what appeared to be a brake failure on Lap 61 in a scary incident that was nearly much, much worse. Nathan Brown, The Indianapolis Star, 31 July 2022 Dave Birkett, Detroit Free Press, 19 Sep. 2022 Alice and Amy bought a £505,000 two-bedroom flat in Walthamstow last year on the Help to Buy scheme. Lydia Spencer-elliot, refinery29.com, 25 Apr. 2022 In 2018, longtime Outside writer and passionate cyclist Andrew Tilin was killed when he was hit by a driver of a truck while fixing a flat on his bike outside Austin, Texas. Christopher Keyes, Outside Online, 4 May 2020 Spaghetti straps, the ballet flat, and pockets and zippers on dresses were all McCardell innovations. Rachel Tashjian, Harper's BAZAAR, 2 Sep. 2022 Till’s lynching—a catalyst that sparked the civil rights movement through the ’50s and ’60s—Mamie Till-Mobley lived in her mother’s 1897 two-flat in Chicago. Rachel Silva, ELLE Decor, 20 July 2022 The trio move into a small flat with extended family, and Rose gets a job as a hotel maid. Lovia Gyarkye, The Hollywood Reporter, 27 May 2022 The new 6th Street Viaduct crosses more industry than water, spanning a scruffy flat of lofts, warehouses and rail lines. Rachel Uranga, Los Angeles Times, 9 July 2022 The fire broke out early Sunday in the basement of a two-story brick two-flat in the 4000 block of West Potomac Street. Stephanie Casanova, Chicago Tribune, 30 June 2022 Dalton Ross, EW.com, 6 Sep. 2022 There are ways in which schools can make their NIL cases directly to prospects – or players who have entered the transfer portal - without flat-out offering them incentives. Steve Megargee, Chron, 31 Aug. 2022 Like a flat-out drop on a short inside route early in the scrimmage. San Diego Union-Tribune, 13 Aug. 2022 Trump’s and many Republicans’ suggestions that the search was political in nature and evidence of some sort of state overreach are flat-out wrong. Eli Stokolsstaff Writer, Los Angeles Times, 10 Aug. 2022 My dating life since choosing celibacy has been met with skepticism, resignation, ghosting, and flat-out shock. Desiree Johnson, refinery29.com, 9 Aug. 2022 Critic Bob Lefsetz crossed the line calling Taylor dumb, naive, and a flat-out bad singer following her 2010 Grammys performance with Stevie Nicks. Maggie Horton, Country Living, 2 Aug. 2022 Could be an option if the Heat seek a flat-out bucket getter, perhaps if the anticipation is of moving Tyler Herro in a trade. Ira Winderman, Sun Sentinel, 20 June 2022 JESSE GREEN Theater, particularly musical theater, has often abetted the distortion and flat-out erasure of inconvenient histories. New York Times, 27 May 2022 Christopher Michel, Country Living, 20 Apr. 2022 By flatting the top, more main string gets lengthened, also improving control. Tim Newcomb, Popular Mechanics, 21 Jan. 2020 Lead is harmful at any dose, and especially toxic to the nervous system; arsenic can flat-out kill you, the inspector general wrote. Zoë Schlanger, Quartz, 19 Nov. 2019 The main assumptions are 11 million barrels a day of crude oil production, Brent flat at $65 a barrel, net refining margins of $3 a barrel and chemicals net margins of $100 a tonne. Washington Post, 4 Oct. 2019 Brian Snyder, Arizona Republic One can flat shoot it. Duane Rankin, azcentral, 3 July 2019 Thoughtfully, my mother suspected this might be the case, and a few days before the wedding found an ideal backup: Manolo Blahnik flats with ample space for injured toes. Alexandra Macon, Vogue, 12 July 2019 Plus, the dude can flat-out sing, though no one else matches his pitch-perfect acting turn. USA TODAY, 26 June 2019 The fashionable royal has shown us that flats like knee-high boots and sneakers can be just as stylish (and functional) on the job, and yesterday was no exception. Erica Gonzales, Harper's BAZAAR, 29 Mar. 2019 See More
Adjective
The $1,800 is a flat fee for three years and is paid by the school. Lauren Hertz, The Arizona Republic, 16 Sep. 2022 In exchange for keeping their entire commission, La Rosa agents pay a flat transaction fee for every sale, along with a monthly fee. Tim Barker, Orlando Sentinel, 16 Sep. 2022 Instead of charging a flat monthly fee, users can choose between $10, $20 and $30 tiers, each that come with a certain number of credits that can be spent on movies. Marisa Dellatto, Forbes, 25 Aug. 2022 Relying on one risks your own safety and damage to your vehicle, and could leave you stranded due to a problem as simple as a flat tire. Wes Siler, Outside Online, 24 Aug. 2022 Officers located the suspect vehicle, which had a flat tire, at the Speedway on Detroit Road at Bradley Road. Bruce Geiselman, cleveland, 20 Aug. 2022 On a very hot day in 1995, Matt Pettigrew and his sister, Ann, were birding along a desolate dirt road in southeastern Arizona’s Huachuca Mountains when their rental car got a flat tire. John Kelly, Washington Post, 16 Aug. 2022 There is so little weight on the front end that the car can be driven to a service station without damaging a flat front tire. Car and Driver, 11 Aug. 2022 Already multiple laps down after a Lap 24 incident that gave him a flat right-front tire, Kyle Larson suffered what appeared to be a brake failure on Lap 61 in a scary incident that was nearly much, much worse. Nathan Brown, The Indianapolis Star, 31 July 2022 Noun
Jared Goff lobbed a pass to Swift in the right flat. Dave Birkett, Detroit Free Press, 19 Sep. 2022 Alice and Amy bought a £505,000 two-bedroom flat in Walthamstow last year on the Help to Buy scheme. Lydia Spencer-elliot, refinery29.com, 25 Apr. 2022 In 2018, longtime Outside writer and passionate cyclist Andrew Tilin was killed when he was hit by a driver of a truck while fixing a flat on his bike outside Austin, Texas. Christopher Keyes, Outside Online, 4 May 2020 Spaghetti straps, the ballet flat, and pockets and zippers on dresses were all McCardell innovations. Rachel Tashjian, Harper's BAZAAR, 2 Sep. 2022 Till’s lynching—a catalyst that sparked the civil rights movement through the ’50s and ’60s—Mamie Till-Mobley lived in her mother’s 1897 two-flat in Chicago. Rachel Silva, ELLE Decor, 20 July 2022 The trio move into a small flat with extended family, and Rose gets a job as a hotel maid. Lovia Gyarkye, The Hollywood Reporter, 27 May 2022 The new 6th Street Viaduct crosses more industry than water, spanning a scruffy flat of lofts, warehouses and rail lines. Rachel Uranga, Los Angeles Times, 9 July 2022 The fire broke out early Sunday in the basement of a two-story brick two-flat in the 4000 block of West Potomac Street. Stephanie Casanova, Chicago Tribune, 30 June 2022 Adverb
If McBride is hinting that Carol will be back, and Reedus is flat-out promising it, what does Walking Dead chief content officer Scott M. Gimple have to say about all of this? Dalton Ross, EW.com, 6 Sep. 2022 There are ways in which schools can make their NIL cases directly to prospects – or players who have entered the transfer portal - without flat-out offering them incentives. Steve Megargee, Chron, 31 Aug. 2022 Like a flat-out drop on a short inside route early in the scrimmage. San Diego Union-Tribune, 13 Aug. 2022 Trump’s and many Republicans’ suggestions that the search was political in nature and evidence of some sort of state overreach are flat-out wrong. Eli Stokolsstaff Writer, Los Angeles Times, 10 Aug. 2022 My dating life since choosing celibacy has been met with skepticism, resignation, ghosting, and flat-out shock. Desiree Johnson, refinery29.com, 9 Aug. 2022 Critic Bob Lefsetz crossed the line calling Taylor dumb, naive, and a flat-out bad singer following her 2010 Grammys performance with Stevie Nicks. Maggie Horton, Country Living, 2 Aug. 2022 Could be an option if the Heat seek a flat-out bucket getter, perhaps if the anticipation is of moving Tyler Herro in a trade. Ira Winderman, Sun Sentinel, 20 June 2022 JESSE GREEN Theater, particularly musical theater, has often abetted the distortion and flat-out erasure of inconvenient histories. New York Times, 27 May 2022 Verb
The process is pretty straightforward: Find a rough surface, and place the top of the can flat against it. Christopher Michel, Country Living, 20 Apr. 2022 By flatting the top, more main string gets lengthened, also improving control. Tim Newcomb, Popular Mechanics, 21 Jan. 2020 Lead is harmful at any dose, and especially toxic to the nervous system; arsenic can flat-out kill you, the inspector general wrote. Zoë Schlanger, Quartz, 19 Nov. 2019 The main assumptions are 11 million barrels a day of crude oil production, Brent flat at $65 a barrel, net refining margins of $3 a barrel and chemicals net margins of $100 a tonne. Washington Post, 4 Oct. 2019 Brian Snyder, Arizona Republic One can flat shoot it. Duane Rankin, azcentral, 3 July 2019 Thoughtfully, my mother suspected this might be the case, and a few days before the wedding found an ideal backup: Manolo Blahnik flats with ample space for injured toes. Alexandra Macon, Vogue, 12 July 2019 Plus, the dude can flat-out sing, though no one else matches his pitch-perfect acting turn. USA TODAY, 26 June 2019 The fashionable royal has shown us that flats like knee-high boots and sneakers can be just as stylish (and functional) on the job, and yesterday was no exception. Erica Gonzales, Harper's BAZAAR, 29 Mar. 2019 See More Word History
Etymology
Adjective, Noun, Adverb, and Verb
Middle English, from Old Norse flatr; akin to Old High German flaz flat, and probably to Greek platys broad — more at place
First Known Use
Adjective
14th century, in the meaning defined at sense 1a
Noun
14th century, in the meaning defined at sense 1a
Adverb
1531, in the meaning defined at sense 1
Verb
circa 1604, in the meaning defined at transitive sense 1
Phrases Containing flat
Kids Definition
flat 1 of 3
adjective
ˈflat
flatter; flattest
1
: having a smooth level surface
a flat rock
2
: spread out on or along a surface
He was lying flat on his back.
3
: having a broad smooth surface and little thickness
A CD is flat.
4
: very clear and definite
a flat refusal
5
: not changing in amount
I charge a flat rate.
6
: not showing active business
Sales are flat.
7
: dull entry 1 sense 3
a flat story
She spoke in a flat, tired voice.
8
: having lost air
a flat tire
9
: no longer having bubbles
flat ginger ale
10
: lower than the true musical pitch
11
: lower by a half step in music
12
: not shiny
flat paint
flat
2 of 3noun
1
: a level area of land : plain
2
: a flat part or surface
the flat of the hand
3
: a note or tone that is a half step lower than the note named
4
: a sign ♭ meaning that the pitch of a musical note is to be lower by a half step
5
: a tire that has lost air
flat
3 of 3adverb
1
: on or against a flat surface
lie flat
2
: without any time more or less : exactly
ten seconds flat
3
: below the true musical pitch
Medical Definition
flat
adjective
ˈflat
flatter; flattest
1
: being or characterized by a horizontal line or tracing without peaks or depressions
the EEG is ominously flat indicating that her brain function is gone Don Gold
Don Gold2
: characterized by general impoverishment in the presence of emotion-evoking stimuli
flat affect often occurs in schizophrenia
Legal Definition
flat 1 of 2
adjective
: not varying
a flat rate
specifically, of a tax : having a rate that remains constant for any taxable base
flat
2 of 2adverb
: without interest charge
especially : without allowance or charge for accrued interest
bonds sold flat
flat 1 of 3
adjective
1
as in round
being neither more nor less than a certain amount, number, or extent industrial growth has been a flat two percent for each of the last four quarters Synonyms & Similar Words
Relevance
- round
- even
- exact
- precise
Antonyms & Near Antonyms
- relative
- near
- comparative
- approximate
- imprecise
2
as in boring
causing weariness, restlessness, or lack of interest a flat portrayal of Benjamin Franklin in the new TV series Synonyms & Similar Words
- boring
- slow
- dull
- tiring
- dusty
- old
- stupid
- dry
- heavy
- weary
- uninteresting
- pedestrian
- drab
- wearying
- arid
- annoying
- monochromatic
- colorless
- monotonous
- leaden
- tame
- irritating
- stale
- tiresome
- humdrum
- stodgy
- sterile
- tedious
- dreary
- pallid
- blank
- wearisome
- barren
- stuffy
- ponderous
- drudging
- gray
- soggy
- ho-hum
- unexciting
- dullish
- prosaic
- uninspiring
- exhausting
- jejune
- unimaginative
- unspectacular
- numbing
- uneventful
- inanimate
- jading
- draining
- grey
- blah
- mind-numbing
- spiritless
- prosy
- earthbound
- undramatic
- unsensational
- ordinary
- suspenseless
- pedantic
- wearing
- poky
- aseptic
- unrewarding
- pokey
- unnewsworthy
- common
- unexceptional
- bothersome
- irksome
- vapid
- tepid
- pleasureless
- fatiguing
- palling
- plodding
- cumbersome
- commonplace
- lumbering
- debilitating
- longsome
- dispiriting
- discouraging
- unsurprising
- disheartening
- enervating
- demoralizing
- enfeebling
Antonyms & Near Antonyms
- interesting
- spectacular
- gripping
- wonderful
- engaging
- involving
- marvellous
- amazing
- riveting
- intriguing
- sensational
- astonishing
- absorbing
- fabulous
- marvelous
- awesome
- surprising
- engrossing
- charming
- attractive
- breathtaking
- wondrous
- moving
- exciting
- astounding
- amusing
- entertaining
- stimulating
- touching
- inspiring
- electrifying
- thrilling
- exhilarating
- animating
- fascinating
- rousing
- enchanting
- energizing
- stirring
- galvanizing
- alluring
- diverting
- poignant
- beguiling
- enlivening
- enthralling
- entrancing
- attracting
- bewitching
- rip-roaring
- invigorating
- spellbinding
- hair-raising
- eye-opening
- captivating
- provocative
- mesmerizing
- suspenseful
- arresting
- tantalizing
3
as in plane
having a surface without bends, breaks, or irregularities preferred riding her bike on a flat road Synonyms & Similar Words
- plane
- smooth
- level
- horizontal
- even
- vertical
- straight
- flush
- exact
- uniform
- regular
- true
- aligned
- plumb
- tabular
- alined
Antonyms & Near Antonyms
- uneven
- coarse
- lumpy
- rough
- bumpy
- irregular
- undulating
- warped
- wavy
- inexact
- unsmoothed
- undulatory
- unaligned
- pitted
- pockmarked
- pocky
4
as in stable
having been established and usually not subject to change charged a flat rate for priority shipping Synonyms & Similar Words
- stable
- fixed
- unchanging
- frozen
- set
- final
- firm
- unchangeable
- settled
- certain
- hard
- steady
- determinate
- uniform
- inexpugnable
- constant
- solid
- nonadjustable
- hard-and-fast
- good
- reliable
- specific
- nonnegotiable
- definite
- safe
- true
- dependable
- unwavering
- stated
- exact
- given
- explicit
- responsible
- trustworthy
- trusty
- noncancelable
- stipulated
- tried
- sure
- tried-and-true
Antonyms & Near Antonyms
- adjustable
- changeable
- negotiable
- variable
- indefinite
- unstable
- volatile
- fluid
- unspecified
- unpredictable
- uncertain
- fluctuating
- open-ended
- unsettled
- mutable
- capricious
- mercurial
- changeful
- unsteady
- temperamental
- inconstant
- flickery
5
as in simple
having no exceptions or restrictions a flat denial of the charges Synonyms & Similar Words
- simple
- absolute
- complete
- pure
- unconditional
- sheer
- very
- total
- perfect
- utter
- outright
- stone
- damned
- clean
- damn
- definite
- blank
- plumb
- real
- huge
- regular
- crashing
- dead
- downright
- straight-out
- stark
- flat-out
- blooming
- deadly
- categorical
- fair
- unadulterated
- endless
- dreadful
- unmitigated
- profound
- unalloyed
- thoroughgoing
- thorough
- unqualified
- rank
- out-and-out
- constant
- arrant
- bodacious
- consummate
- genuine
- horrible
- perpetual
- authentic
- eternal
- terrible
- categoric
- classic
- all-out
- main
- veritable
- unrestricted
- extreme
- hopeless
- extraordinary
- terrific
- unremitting
- supreme
- habitual
- superlative
- undying
- confirmed
- frightful
- inveterate
- surpassing
Antonyms & Near Antonyms
- restricted
- uncertain
- questionable
- qualified
- doubtful
- dubious
- equivocal
6
as in matte
lacking a surface luster or gloss used a flat paint for the condo's interior walls Synonyms & Similar Words
- matte
- mat
- matt
- dull
- gray
- lusterless
- pale
- black
- grey
- dulled
- dim
- dark
- drab
- darkened
- unpolished
- dingy
- muddy
- lackluster
- tarnished
- leaden
- dirty
- obscured
- mousy
- cloudy
- obscure
- gloomy
- dusky
- palish
- mousey
- murky
- darkish
- somber
- stygian
- dimmed
- sombre
- tenebrific
- pitch-dark
- pitch-black
- tenebrous
Antonyms & Near Antonyms
- shiny
- glossy
- sleek
- polished
- lustrous
- rubbed
- lacquered
- varnished
- glazed
- satin
- silky
- burnished
- slick
- satiny
- slippery
- shining
- bright
- sparkling
- gleaming
- silken
- buffed
- luminous
- shining
- brilliant
- shimmering
- glistening
- shellacked
- dazzling
- radiant
- resplendent
- incandescent
- lucid
- lucent
- glittering
- glowing
- lambent
- twinkling
- effulgent
- glimmering
- scintillating
- gemmy
- glinting
- brightened
- candescent
- refulgent
- fulgent
- beaming
- bedazzling
7
as in bland
lacking in qualities that make for spirit and character a dull, flat reading of a story that was really quite exciting Synonyms & Similar Words
- boring
- bland
- dull
- banal
- tiring
- insipid
- dry
- weak
- watery
- subdued
- lifeless
- heavy
- uninteresting
- unexciting
- drab
- uninspiring
- soft
- pedestrian
- milk-and-water
- wishy-washy
- monotonous
- leaden
- weary
- tiresome
- vapid
- humdrum
- ordinary
- tedious
- dreary
- unrewarding
- mild
- namby-pamby
- wearisome
- wearying
- tame
- inoffensive
- ponderous
- innocuous
- unexceptional
- inane
- stale
- commonplace
- jading
- common
Antonyms & Near Antonyms
- spicy
- substantial
- piquant
- pungent
- poignant
- racy
- meaty
- exciting
- entertaining
- inspiring
- thrilling
- invigorating
- galvanizing
8
as in thin
lacking in taste or flavor this pasta dish tastes a little flat Synonyms & Similar Words
- bland
- thin
- plain
- tasteless
- insipid
- dead
- flavorless
- weak
- savorless
- unsavory
- watery
- dilute
- unflavored
Antonyms & Near Antonyms
- tasty
- tasteful
- flavorful
- savory
- disgusting
- delicious
- loathsome
- sickening
- unappetizing
- savoury
- distasteful
- heavy
- unpalatable
- flavorsome
- mawkish
- delectable
- spicy
- rich
- cloying
- appetizing
- sapid
- palatable
- seasoned
- flavored
- keen
- piquant
- toothsome
flat
2 of 3adverb
as in completely
to a full extent or degree I am flat broke this week Synonyms & Similar Words
- completely
- perfectly
- totally
- quite
- fully
- utterly
- all
- wide
- fast
- wholly
- out
- well
- entirely
- entire
- thoroughly
- dead
- absolutely
- clean
- exactly
- even
- full
- for fair
- plain
- enough
- basically
- soundly
- all of
- plumb
- all over
- to pieces
- in whole
- at length
- cold
- stone
- all the way
- altogether
- heartily
- mostly
- substantially
- to the max
- down to the ground
- to bits
- down the line
- largely
- generally
- predominantly
- mainly
- downright
- to the hilt
- predominately
- categorically
- through and through
- principally
- stone-cold
- primarily
- chiefly
- overall
- generously
- unqualifiedly
- hands down
- greatly
- by and large
- abundantly
- more or less
- copiously
Antonyms & Near Antonyms
- partially
- halfway
- slightly
- half
- partly
- just
- barely
- marginally
- minimally
- somewhat
- hardly
- superficially
- scarcely
- part
- roughly
- incompletely
- approximately
- kind of
flat
3 of 3noun
as in apartment
a room or set of rooms in a private house or a block used as a separate dwelling place had to take on a third roommate in order to afford the bigger flat Synonyms & Similar Words
- apartment
- penthouse
- lodgings
- condominium
- suite
- tenement
- digs
- studio
- condo
- duplex
- railroad flat
- bedsit
- maisonette
- wing
- saloon
- diggings
- efficiency
- studio apartment
- flatlet
- garden apartment
- duplex apartment
- efficiency apartment
- bed-sitter
- triplex
- bed-sitting-room
- granny flat
- walk-up
- apartment building
- salon
- gallery
- apartment house
- floor-through
- tenement house
- cohousing
Synonym Chooser
Some common synonyms of flat are even, level, plane, and smooth. While all these words mean "having a surface without bends, curves, or irregularities," flat applies to a surface devoid of noticeable curvatures, prominences, or depressions.
the work surface must be flat
In some situations, the words even and flat are roughly equivalent. However, even applies to a surface that is noticeably flat or level or to a line that is observably straight.
trim the hedge so it is even
The words level and flat can be used in similar contexts, but level applies to a horizontal surface that lies on a line parallel with the horizon.
the vast prairies are nearly level
While in some cases nearly identical to flat, plane applies to any real or imaginary flat surface in which a straight line between any two points on it lies wholly within that surface.
the plane sides of a crystal
The words smooth and flat are synonyms, but do differ in nuance. Specifically, smooth applies especially to a polished surface free of irregularities.
a smooth skating rink