built-up
adjective
ˈbilt-ˈəp 
1
: made of several sections or layers fastened together
2
: covered with buildings
Word History
First Known Use
1829, in the meaning defined at sense 1
built-up 1 of 2
adjective
as in accrued
Synonyms & Similar Words
Relevance
- accrued
- aggregated
- amassed
- compiled
- accruable
- conglomerated
- cumulative
- accumulative
- gradual
- increscent
- progressive
- stepwise
- incremental
- additive
- accretive
- conglomerative
- step-by-step
Antonyms & Near Antonyms
- decremental
- regressive
- degressive
- decrescent
built up
2 of 2verb
1
as in increased
to become greater in extent, volume, amount, or number static electricity built up on the cat's fur Synonyms & Similar Words
- increased
- expanded
- rose
- accelerated
- rolled up
- swelled
- climbed
- waxed
- accumulated
- spread
- intensified
- multiplied
- proliferated
- bourgeoned
- mounted
- enlarged
- jumped
- escalated
- gained
- snowballed
- appreciated
- surged
- boomed
- ballooned
- mushroomed
- skyrocketed
- burgeoned
- heightened
- blew up
- puffed (up)
- distended
- redoubled
- rocketed
- peaked
- inflated
- crescendoed
- bulked
- crested
Antonyms & Near Antonyms
- decreased
- diminished
- contracted
- lessened
- waned
- dwindled
- receded
2
as in gained
to gradually increase in the roller coaster built up momentum Synonyms & Similar Words
- gained
- grew (in)
- gathered
- picked up
- expanded
- accumulated
- stepped up
- accrued
- stimulated
- excited
- enhanced
- amassed
- enriched
- tripled (in)
- mounted
- enlarged
- extended
- ramped (up)
- doubled (in)
- elevated
- maximized
- jacked (up)
- boosted
Antonyms & Near Antonyms
- decreased (in)
- fell (in)
- lost
- declined (in)
- diminished (in)
- dipped
- dwindled
- tapered
- lessened
- tapered off
- abated
3
as in accumulated
to gradually form into a layer, pile, or mass evidence that the toxic chemical builds up in the bloodstream to unhealthy levels Synonyms & Similar Words
- accumulated
- gathered
- collected
- piled (up)
- concentrated
- stacked (up)
- amassed
- massed
- accreted
- conglomerated
- drifted
- clumped
- agglutinated
- lumped
- ridged
- banked
Antonyms & Near Antonyms
- dispersed
- scattered
- dissipated
4
as in expanded
to make greater in size, amount, or number he patiently built up his coin collection over several decades the young stockbroker worked hard to build up a clientele Synonyms & Similar Words
- increased
- expanded
- accelerated
- augmented
- boosted
- raised
- extended
- multiplied
- reinforced
- pumped up
- enhanced
- enlarged
- amplified
- compounded
- hyped
- escalated
- stoked
- strengthened
- intensified
- drew out
- swelled
- added (to)
- upped
- maximized
- developed
- jumped
- skyrocketed
- supplemented
- aggrandized
- supersized
- blew up
- complemented
- spiked
- lengthened
- heightened
- bumped (up)
- prolonged
- distended
- stretched
- protracted
- inflated
- followed up
- boomed
- elongated
- accumulated
- dilated
- fleshed (out)
- beefed (up)
- collected
- ratcheted (up)
- racheted (up)
- magnified
- reenforced
- amassed
- parlayed
Antonyms & Near Antonyms
- reduced
- decreased
- subtracted (from)
- diminished
- dwindled
- lowered
- lessened
- downsized
- abated
- shortened
- abbreviated
- compressed
- abridged
- contracted
- curtailed
- condensed
- minified
- de-escalated
- constricted
- cut back
- retrenched
- trinitarian
- trinitarianism
- trinitarianisms
- trinitarians
- trinities
- trinitr-
- trinitramine
- trinitrates
- trinitride
- trinitro
- trinitro-
- trinitrobenzene
- trinitrobenzenes
- trinitrocresol
- trinitrocresols
- trinitroglycerins
- trinitrophenylmethylnitramine
- trinitrotoluene
- trinitrotoluenes
- trinitrotoluol
- trinitrotoluols
- trinitroxylene
- Trinity
- trinity
- trinity column