addition | Definition of addition

Synonyms and Antonyms of addition

1 a smaller structure added to a main building

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

Synonyms of addition

annex, extension, penthouse

Words Related to addition

2 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 of addition

accretion, accrual, addendum, augmentation, boost, expansion, gain, increase, increment, more, plus, proliferation, raise, rise, step-up, supplement, uptick

Words Related to addition

accumulation, assemblage, collection, gathering

accession, appendix, continuation, extension, uptrend, upturn

jump, run-up, spike

Near Antonyms of addition

deduction, subtraction

Antonyms of addition

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

3 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 of addition

accumulating, accumulation, increase, multiplication, mushrooming, proliferation

Words Related to addition

doubling, quadrupling, tripling

creep, growth, rise, spread

enlargement, escalation, expansion

amplification, distension (or distention), inflation

accretion, accrual, augmentation, cumulation

extension, lengthening

boost, gain, hike, increment, rise

Near Antonyms of addition

abatement, compressing, compression, condensation, condensing, constricting, constriction, contracting, contraction, diminishing, diminishment, diminution, drop, drop-off, fall, falloff, lessening, lowering, reduction, shrinkage, shrinking

retrenching, retrenchment, shortening

Antonyms of addition