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, penthouseWords Related to addition arm, ell, wing
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, increase, augmentation, boost, expansion, gain, increment, more, plus, proliferation, raise, rise, step-up, supplement, uptickWords Related to addition accumulation, assemblage, collection, gathering; complement; accession, appendix, continuation, extension, uptrend, upturn; jump, run-up, spikeNear Antonyms of addition deduction, subtractionAntonyms 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, multiplication, increase, mushrooming, proliferationWords 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, riseNear 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, shorteningAntonyms of addition decrease
Learn More about addition
Seen and Heard
What made you want to look up addition? Please tell us where you read or heard it (including the quote, if possible).