fluff up

1. 1.

   make fuller by shaking

   “fluff up the pillows”

   Synonymsplump upshake up

   Broadershake

Questions about fluff up

What does fluff up mean?

fluff up means "make fuller by shaking".

What is another word for fluff up?

Close synonyms include plump up, shake up. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is fluff up a common word?

fluff up is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.