as in accumulates
to gradually form into a layer, pile, or mass
those newspapers have been stacking up in the basement since we moved here
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Recent Examples of Synonyms for stacks (up)
accumulates
Verb
-
Crews especially aim around curb lines where dirt accumulates.—
Brian Sherrod,
CBS News,
1 Apr. 2026 -
The city gets much of its water from mountain snow that accumulates east of the Continental Divide and on the western side.—
ABC News,
ABC News,
1 Apr. 2026
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Cite this Entry
“Stacks (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stacks%20%28up%29. Accessed 3 Apr. 2026.
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