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stack up - definition and synonyms


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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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phrasal verb
Word Forms
present tense
I/you/we/theystack up
he/she/itstacks up
present participlestacking up
past tensestacked up
past participlestacked up

Related words

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  1. 1
    [intransitive] to increase continuously in a way that seems threatening

    Despite the evidence stacking up against her, she still denies the claims.

  2. 2
    [transitive] same as stack2 (sense 1)

    The books had been stacked up in neat piles.

  3. 3
    [transitive] same as stack2 (sense 2)

    She stacked the dishes up on the draining board.

  4. 4
    [intransitive/transitive] to fly above or below other planes while waiting to land

    High winds forced planes to stack up over Heathrow Airport.

  5. 5
    [intransitive] informal to appear good, bad etc when compared with someone or something else

    Teachers will know how they stack up against national standards.

See also main entry: stack

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

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