a bit adverb 4pronoun 2 adverb4 •(informal) To a small extent; in a small amount.Could you move that up a bit? •(informal) Slightly; rather.Isn't that hat a bit small for him? •(UK) Very.That hat seems a bit small for him. •(UK) A lot.It rained a bit last night. pronoun2 •A small amount.Q: Care for some cake? A: Argh, you've twisted my arm — I'll have just a bit, thank you. •(UK) A large amount.Q: How much trouble did you stir up last night? A: Just a bit.