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

Here, the architecture distributes the congregation into a half circle, gathering them around the matter of their faith as a question rather than as an assertion.

— Kristian Vistrup Madsen, Artforum, 1 Nov. 2026
Families gathered to eat, strangers shared space and volunteers helped serve anyone who came through.

— Nicole Buss, Sacbee.com, 1 Nov. 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 6 Nov. 2026.

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Synonyms of stack (up)

verb

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