American Dictionary

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Definition puff up in American English

puff up phrasal verb

phrasal verb
1

if something puffs up, or if you puff it up, it looks bigger, usually because it has air in it

Example

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

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2

to swell because of an injury or illness

Example

The next day his face had really puffed up.

Synonyms and related words
Definition puff up in American English