Real Dictionary

fit being right or going in the right place
verb: If something fits, it is the right size and shape to go onto a person's body or onto a particular object.

fit healthy
adjective: Someone who is fit is healthy and physically strong.

FIT in American English
abbreviation: federal income tax

fit in American English 1
to be suitable or adapted to; be in accord with
adjective: adapted or suited; appropriate

fit in American English 2
any sudden, uncontrollable attack; paroxysm
noun: a sudden, acute attack or manifestation of a disease, esp. one marked by convulsions or unconsciousness

fit in American English 3
a section of a poem, ballad, or song
noun: a song, ballad, or story

fit in American English 4
verb

fit in British English 1
adjective: suitable to a purpose or design; appropriate
noun: the manner in which something fits
verb: to be appropriate or suitable for (a situation, etc)

fit in British English 2
noun: a sudden attack or convulsion, such as an epileptic seizure

fit in British English 3
noun: a story or song or a section of a story or song

fit uncontrollable movements or emotions
countable noun: If someone has a fit they suddenly lose consciousness and their body makes uncontrollable movements.
countable noun: If you do something in a fit of anger or panic, you are very angry or afraid when you do it.
countable noun: If you have a fit of coughing or laughter, you suddenly start coughing or laughing in an uncontrollable way.