fatten up

Questions about fatten up

What does fatten up mean?

fatten up means "make fat or plump".

What is another word for fatten up?

Close synonyms include fatten, fat, flesh out, fill out, plump. 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 fatten up a common word?

fatten 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.