fill in

Questions about fill in

What does fill in mean?

fill in means "supply with information on a specific topic". That is the primary sense; the word has 4 in total, listed in full on this page.

What is another word for fill in?

Close synonyms include shade, substitute, sub, stand in, complete. 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 fill in a common word?

fill in is banded "Familiar" — widely understood, used when the subject calls for it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.