: to be in harmony or accord : belong—often used with in
"He wanted the house to look natural, to fit in with the island landscape. …" Olivia HarrisonI arrived in the United States at age three and grew up wanting both to live up to the … expectations of my parents and to fit in with the customs of my new homeland. Nely Galán
3
chiefly British: to experience or be affected with a seizure and especially an epileptic seizure
The 48-year-old was shopping in Stourbridge's Ryemarket when she collapsed and began fitting.Birmingham (U.K.) Evening Mail
4
archaic: to be seemly, proper, or suitable
Why dost thou laugh? It fits not with this hour. William Shakespeare
apt connotes a fitness marked by nicety and discrimination.
apt quotations
happy suggests what is effectively or successfully appropriate.
a happy choice of words
felicitous suggests an aptness that is opportune, telling, or graceful.
a felicitous phrase
Example Sentences
Adjective Patients are encouraged to get fit. Are you fit enough to walk there? Verb The suit fits him perfectly. I hope this key fits the lock. The two pieces fit each other perfectly. This calculator will fit nicely in your shirt pocket. The two pieces fit together perfectly. How many people can fit in a phone booth? The box was too large to fit through the door. I can't fit all these groceries into the trunk of my car. We weren't able to fit the box through the door. fitting the jacket to the customerSee More
Word History
Etymology
Adjective
Middle English; akin to Middle English fitten
Verb and Noun (1)
Middle English fitten to marshal troops, from or akin to Middle Dutch vitten to be suitable
Noun (2)
Middle English, from Old English fitt strife
Noun (3)
Middle English, from Old English fitt; akin to Old Saxon fittea division of a poem, Old High German fizza skein
First Known Use
Adjective
14th century, in the meaning defined at sense 1b(1)