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puff up

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phrasal verb
Word Forms
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present tense
I/you/we/theypuff up
he/she/itpuffs up
present participlepuffing up
past tensepuffed up
past participlepuffed up
  1. 1
    [intransitive/transitive] if something puffs up, or if you puff it up, it looks bigger, usually because it has air in it

    When the biscuits puff up and turn brown they are ready.

  2. 2
    [intransitive] to swell because of an injury or illness

    The next day his face had really puffed up.

See also main entry: puff

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