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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Dander, fur, and dust can accumulate quickly, especially in spaces with carpeting or heavy foot traffic, where particles tend to settle and recirculate throughout the day.—
Daniel Fusch,
USA Today,
27 Apr. 2026 -
As people returned from their Earth Week effort to clear trash accumulated over the winter from Waukegan Municipal Beach on Saturday, two were lugging large rusted pieces of steel.—
Steve Sadin,
Chicago Tribune,
27 Apr. 2026
Verb
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In gathering evidence, the commission received videos and testimony from officials and ordinary citizens, and held five public hearings that wrapped up on Tuesday.—
Olivia Olander,
Chicago Tribune,
1 May 2026
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Fashion’s biggest night out is almost here, as celebrities from across music, film, TV, sports, and fashion prepare to gather at the Metropolitan Museum of Art for the 2026 Met Gala.—
Allison DeGrushe,
StyleCaster,
30 Apr. 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 1 May. 2026.
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