Definition of not a bit of itBritish, informal
- Am I tired? Not a bit of it.
- I thought she'd be angry, but not a bit of it.
: the biting or cutting edge or part of a tool
: a replaceable part of a compound tool that actually performs the function (such as drilling or boring) for which the whole tool is designed
: the jaws (see 1jaw 2a) of tongs or pincers
: to put part of a bridle in the mouth of (a horse) : to put a bit (see 1bit 2a) in the mouth of (a horse)
: to control as if with a bit
: to form a bit (see 1bit 4) on (a key)
: a small quantity of food
: a small piece or quantity of some material thing
: a coin of a specified small denomination
: a unit of computer information equivalent to the result of a choice between two alternatives (such as yes or no, on or off)
: the physical representation of a bit by an electrical pulse, a magnetized spot, or a hole whose presence or absence indicates data
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