fit is one of the 1000 most common headwords.
fish - fit - five

Pronunciation change

Verb change

Plain form
fit

Third-person singular
fits

Past tense
fitted

Past participle
fitted

Present participle
fitting

  1. (transitive) When you fit something, you match a thing for size, shape or other qualities.
    They fitted his hat.
  2. (intransitive) When a thing fits, it is a good match for something.
    These shoes fit me very well.

Adjective change

Positive
fit

Comparative
fitter

Superlative
fittest

  1. When you are fit, you are healthy and able to do a task.
    After he slept he looked very fit.

Noun change

Singular
fit

Plural
fits

  1. When you have a fit, you have a sudden emotion.
    He hit the man in a fit of rage.
  2. If you have a fit, your body moves very quickly without your control.
    The man had a fit of epilepsy.
    I suddenly had a coughing fit that I could not stop.