STACK (UP) Synonyms: 19 Similar and Opposite Words

stack (up)

verb

Definition of stack (up)

as in to accumulate

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 stack (up)

Verb

Rocks and plants The first method measures beryllium-10, an isotope that accumulates in the top few centimeters of rock that is exposed to the sky.

— Jacek Krywko, ArsTechnica, 24 Oct. 2026
Research has demonstrated the importance of initiating appropriate treatment early in the course of disease, before neurological damage accumulates.

— Bruce Bebo, STAT, 24 Oct. 2026

Definition of accumulate

Verb

The question is going to voters because opponents gathered petition signatures forcing a referendum.

— Arkansas Online, Arkansas Online, 26 Oct. 2026
Allen took only two dribbles — one before midcourt and one after — gathered his feet, and pulled up from the left side of the arc.

— Charlotte Observer, Charlotte Observer, 25 Oct. 2026

Definition of gather

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“Stack (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stack%20%28up%29. Accessed 27 Oct. 2026.

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Synonyms of stack (up)

verb

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