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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Example Sentences
Recent Examples of Synonyms for stack (up)
Verb
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For instance scientists found cocaine in the blood of sharks off Rio de Janeiro, as these substances travel through waterways and accumulate in marine life.—
Georgina Jedikovska,
Interesting Engineering,
23 Feb. 2026 -
Classic six-sided snowflakes, known as dendritic flakes, accumulate best.—
Stephanie Pappas,
Scientific American,
23 Feb. 2026
Verb
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Meanwhile, Shah Alam’s friends and family gathered at a mosque Thursday for his funeral, offering prayers before accompanying him to a cemetery for burial.—
Alisha Ebrahimji,
CNN Money,
27 Feb. 2026
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The two weeks of events will wrap up next week with a large celebration of life gathering at a Chicago megachurch and finally, home-going services at the headquarters of the Rainbow PUSH Coalition.—
Arkansas Online,
Arkansas Online,
27 Feb. 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 2 Mar. 2026.
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