mental
1 of 2adjective (1)
men·tal ˈmen-tᵊl 
1
a
: of or relating to the mind
specifically : of or relating to the total emotional and intellectual response of an individual to external reality
mental health
b
: of or relating to intellectual as contrasted with emotional activity
mental acuity
c
: of, relating to, or being intellectual as contrasted with overt physical activity
made quick mental calculations
d
: occurring or experienced in the mind : inner
mental anguish
a mental breakdown
e
: relating to the mind, its activity, or its products as an object of study : ideological
mental science
f
: relating to spirit or idea as opposed to matter
the distinction between physical things and mental ideas
J. W. Yolton
J. W. Yolton2
a(1)
: of, relating to, or affected by a psychiatric disorder
a mental patient
(2)
: mentally disordered : mad, crazy
was going a bit mental from old age Nevil Shute
Nevil Shute b
: intended for the care or treatment of persons affected by psychiatric disorders
mental hospitals
3
: of or relating to telepathic or mind-reading powers
mental telepathy
mental
2 of 2adjective (2)
: of or relating to the chin : genial
Synonyms
Adjective (1)
- cerebral
- inner
- intellectual
- interior
- internal
- psychological
- psychologic
See all Synonyms & Antonyms 
Word History
Etymology
Adjective (1)
Middle English, from Late Latin mentalis, from Latin ment-, mens mind — more at mind
Adjective (2)
Latin mentum "chin" + -al entry 1 — more at mouth entry 1
First Known Use
Adjective (1)
15th century, in the meaning defined at sense 1a
Adjective (2)
circa 1727, in the meaning defined above
Phrases Containing mental
Kids Definition
mental
adjective
men·tal ˈmen-tᵊl
1
: of or relating to the mind
mental abilities
mental illness
2
: done in the mind
mental arithmetic
3
: intended for the care of persons affected by a disorder of the mind
a mental hospital
Medical Definition
mental 1 of 2
adjective
men·tal ˈment-ᵊl
1
a
: of or relating to the mind
specifically : of or relating to the total emotional and intellectual response of an individual to external reality
b
: of or relating to intellectual as contrasted with emotional activity
2
a
: of, relating to, or affected by a psychiatric disorder
a mental patient
b
: intended for the care or treatment of persons affected by psychiatric disorders
mental hospitals
mental
2 of 2adjective
: of or relating to the chin : genial
mental
adjective
1
as in internal
of or relating to the mind a funny mental image made him laugh out loud Synonyms & Similar Words
Relevance
- internal
- inner
- psychological
- interior
- intellectual
- cerebral
- psychologic
- cognitive
- conscious
- epistemic
- psychic
- psychical
- knowing
- thinking
- telepathic
- reasoning
- noetic
- rational
- intelligent
- brilliant
- brainy
- alert
- clever
- smart
- sharp
- bright
- quick-witted
- sharp-witted
Antonyms & Near Antonyms
- physical
- nonmental
- somatic
- bodily
- corporeal
- corporal
- carnal
- unconscious
- fleshly
- dense
- stupid
- simple
- mindless
- unintelligent
- thick
- obtuse
- dopey
- fatuous
- brainless
- witless
- doltish
- thickheaded
- dopy
- weak-minded
- half-witted
- slow-witted
2
as in psychotic
having or showing a very abnormal or sick state of mind humane treatment of mental patients Synonyms & Similar Words
- psychotic
- lunatic
- insane
- mad
- nuts
- maniac
- psycho
- maniacal
- crazy
- gaga
- paranoid
- disturbed
- demented
- ballistic
- crazed
- bedlam
- deranged
- cuckoo
- unhinged
- strange
- irrational
- cracked
- unbalanced
- wacko
- loony
- paranoidal
- brainsick
- nutty
- certifiable
- around the bend
- bonkers
- screwy
- haywire
- crackers
- eccentric
- crackpot
- bughouse
- batty
- loco
- scatty
- depressed
- bats
- wacky
- looney
- daft
- loony tunes
- unsound
- whacky
- whacko
- fruity
- moonstruck
- neurotic
- crackbrained
- kooky
- odd
- schizoid
- daffy
- foolish
- barmy
- schizophrenic
- looney tunes
- out to lunch
- obsessed
- fey
- nuclear
- queer
- disordered
- out of one's mind
- paranoiac
- non compos mentis
- distraught
- off
- frantic
- distracted
- delirious
- delusional
- unreasonable
- delusionary
- meshugah
- sociopathic
- hysterical
- meshuggah
- loopy
- meshuga
- cranky
- meshugge
- off one's gourd
- touched
- hysteric
- off one's rocker
- kookie
- wud
- out of one's head
- off one's head
- balmy
- aberrant
- oddball
- obsessive-compulsive
- dotty
- potty
- ape
- paranoic
- berserk
- pixilated
- tetched
- bananas
- pixillated
- witless
- raving
- frenzied
- senseless
- monomaniac
- monomaniacal
- teched
- amok
- fixated
- wigged-out
- amuck
Antonyms & Near Antonyms
- rational
- sound
- sane
- balanced
- reasonable
- normal
- sensible
- lucid
- compos mentis
- clear
- healthy
- wise
- judicious
- uncrazy
- unneurotic
- well-adjusted