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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Scientists have long believed that CSF helps flush out cellular waste that, if left to accumulate, is linked to neurodegenerative diseases like Alzheimer’s, according to Drew.—
Khloe Quill,
FOXNews.com,
11 May 2026 -
Rainwater tends to accumulate at the road edges.—
NC Weather Bot,
Charlotte Observer,
11 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 16 May. 2026.
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