stack (up)

verb

Definition of stack (up)next
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)
  1. accumulate
  2. gather
Verb
  • What happens when interconnected debt starts accumulating faster than human understanding can keep pace?
    — Doug Shannon, Forbes.com, 17 July 2026
  • Research indicates that, as apex predators, sharks accumulate high levels of heavy metals — including arsenic, mercury and lead — in their blood and tissues.
    — ABC News, ABC News, 17 July 2026
Definition of accumulate
Verb
  • Two nights before the final, a couple of thousand people gathered at the Javits Center in Manhattan to gaze at stars.
    — Jerry Brewer, New York Times, 20 July 2026
  • Larry the Cat, who has lived at 10 Downing Street for the last 15 years, has been spotted relaxing this morning, seemingly unfazed by all the media gathered outside.
    — Hanna Ziady, CNN Money, 20 July 2026
Definition of gather
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

stacks up (against or with)
stack (up)
stack up (against or with)
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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 23 Jul. 2026.

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