Synonyms of addition

addition

noun

1

as in extension

a smaller structure added to a main building

a new addition to the library providing space for an expanded video collection

Synonyms & Similar Words

• extension
• annex
• wing
• penthouse
• arm
• ell

2

as in increase

something added (as by growth)

the cache of old stamps I found in the discarded desk was a huge addition to my stamp collection

Synonyms & Similar Words

• increase
• boost
• gain
• more
• plus
• raise
• augmentation
• increment
• rise
• supplement
• expansion
• addendum
• proliferation
• accrual
• step-up
• accretion
• continuation
• uptick
• accumulation
• complement
• collection
• extension
• appendix
• spike
• gathering
• jump
• upturn
• assemblage
• accession
• run-up
• uptrend

Antonyms & Near Antonyms

• reduction
• decrease
• lowering
• diminution
• lessening
• loss
• diminishment
• depletion
• decline
• shrinkage
• subtraction
• fall
• abatement
• decrement
• falloff
• deduction
• step-down
• drop-off

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• reduction
• decrease
• lowering
• diminution
• lessening
• loss
• diminishment
• depletion
• decline
• shrinkage
• subtraction
• fall
• abatement
• decrement
• falloff
• deduction
• step-down
• drop-off

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3

as in accumulating

the act or process of becoming greater in number

how do you account for the addition of more paint stains on your shirt after you put on a smock?

Synonyms & Similar Words

• increase
• accumulating
• accumulation
• multiplication
• proliferation
• doubling
• mushrooming
• expansion
• tripling
• growth
• quadrupling
• augmentation
• extension
• rise
• enlargement
• escalation
• lengthening
• cumulation
• increment
• amplification
• creep
• spread
• rise
• accretion
• boost
• inflation
• accrual
• gain
• distension
• distention
• hike

Antonyms & Near Antonyms

• decrease
• reduction
• lowering
• diminution
• lessening
• diminishing
• diminishment
• drop
• contracting
• contraction
• shrinking
• shrinkage
• condensing
• fall
• compression
• abatement
• constriction
• condensation
• compressing
• falloff
• shortening
• retrenchment
• constricting
• drop-off
• retrenching

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• decrease
• reduction
• lowering
• diminution
• lessening
• diminishing
• diminishment
• drop
• contracting
• contraction
• shrinking
• shrinkage
• condensing
• fall
• compression
• abatement
• constriction
• condensation
• compressing
• falloff
• shortening
• retrenchment
• constricting
• drop-off
• retrenching

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Phrases Containing addition

• in addition to

• in addition to