brush up

Questions about brush up

What does brush up mean?

brush up means "refresh one's memory". That is the primary sense; the word has 2 in total, listed in full on this page.

What is another word for brush up?

Close synonyms include review, refresh, polish, round, round off. 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 brush up a common word?

brush 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.