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
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for stack (up)
Verb
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Instruments and voices accumulate into immense, sustained, saturating dissonances, with a snare drum cutting through the tear-gas haze.—
Alex Ross,
New Yorker,
18 May 2026 -
Rainwater tends to accumulate at the road edges.—
KANSAS CITY STAR WEATHER BOT,
Kansas City Star,
18 May 2026
Verb
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Save Girls’ Sports activists gathered outside Yorba Linda High School in protest, which OutKick documented firsthand through conversations with parents and attendees at the meet.—
Alejandro Avila OutKick,
FOXNews.com,
15 May 2026
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Before the team’s departure, the staff gathered for a final walk-through.—
Clayton Dalton,
New Yorker,
15 May 2026
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Cite this Entry
“Stack (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stack%20%28up%29. Accessed 22 May. 2026.
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