Bit/bɪt/ Definition 1 of 5Pro Tip 1/3Quantifying Smallness Use 'a bit' before adjectives to indicate a small amount or slight degree. The soup needs a bit more salt. Pro Tip 2/3Progress Increment 'Bit by bit' suggests gradual progression, useful for describing slow processes. She's learning the language bit by bit. Pro Tip 3/3Informal Measurement Refers to an indefinite small amount, commonly used in casual conversation. Can you move a bit to the left?