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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Example Sentences
Recent Examples of Synonyms for stack (up)
Verb
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In Gaza City alone, around 25 million tons of debris have accumulated, Mohanna said.
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Jamestown Canyon virus accumulates genetic changes 10 to 100 times more slowly per calendar year than dengue, Rift Valley fever or chikungunya.
Verb
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Once the excitement had died down, the team gathered in a circle and a player went up to Haaland, grabbed the back of his neck and kissed his cheek.
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He was surrounded by beige pleather armchairs gathered around low tables adorned with silk flowers.
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“Stack (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/stack%20%28up%29. Accessed 7 Jul. 2026.
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