Search Dictionary
Definition of accumulation
accumulation
/əˌkjuː.mjəˈleɪ.ʃən/
ac · cu · mu · la · tion
Adverb:accumulatively
•Plural:accumulations
•Adjective:accumulative
accumulation Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 5k
Syllables
5
accumulation Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The gradual acquisition, gathering, or building up of something over a period of time.
Example
"The steady accumulation of scientific evidence eventually convinced the skeptics."
2
A mass, pile, or quantity of something that has gradually gathered or been acquired.
Example
"Workers spent the morning clearing a heavy accumulation of snow from the roof."
Synonyms
View all synonyms for accumulation Antonyms
View all antonyms for accumulation• Rhymes for accumulation
• Nearby Words
Word Origin & Etymology
Borrowed in the late 15th century from Latin accumulatio ('a heaping up'), a noun of action derived from the verb accumulare, formed from ad- ('to, toward') and cumulare ('to heap up'), from cumulus ('a heap, pile').
Cite this Entry
Wordmom. (2026). Definition of Accumulation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/accumulation