Synonyms of accumulation

accumulation

noun

ə-ˌkyü-m(y)ə-ˈlā-shən 

1

as in collection

a mass or quantity that has piled up or that has been gathered over a period of time

a vast accumulation of evidence about the dangers of smoking

Synonyms & Similar Words

• collection
• mixture
• gathering
• cumulation
• pile
• assemblage
• jumble
• accretion
• cumulus
• mix
• heap
• lodgment
• assortment
• pileup
• aggregation
• mass
• clutter
• sum
• hoard
• conglomerate
• agglomeration
• conglomeration
• aggregate
• medley
• hodgepodge
• supply
• congeries
• litter
• inventory
• potpourri
• mélange
• totality
• agglomerate
• motley
• hash
• stockpile
• mishmash
• cache
• backlog
• nest egg
• hotchpotch
• store
• fund
• reserve
• stock
• kitty

2

as in accumulating

the act or process of becoming greater in number

the accumulation of leaves on the ground is proceeding at a much faster rate than my raking

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of accumulation

But according to Catherine Morris, managing director of Tradelinens, the real damage is caused by accumulation. — Scott Campbell, Condé Nast Traveler, 3 Aug. 2026

Midfielder Telasco Segovia and right back Ian Fray were serving suspensions for yellow card accumulation. — Michelle Kaufman, Miami Herald, 2 Aug. 2026

For the California Republican Party, the door to the state’s highest executive office has been closed by the slow accumulation of demographic shifts and new political rules. — Dain Fitzgerald, The Washington Examiner, 1 Aug. 2026

Examination of the wreckage showed the deicing systems on the less than 5-year-old plane worked and ice accumulation did not cause the crash, according to the NTSB’s report. — Aaron Cooper, CNN Money, 30 July 2026