a display of bad temper
"he had a fit"
"she threw a tantrum"
"he made a scene"
a sudden uncontrollable attack
"a paroxysm of giggling"
"a fit of coughing"
"convulsions of laughter"
The degree to which something fits.
"After reading about renewable energy policies, she realized that FIT stands for feed-in tariff in her country's solar rebate program."
A section of a poem or ballad.
A seizure or convulsion.
Initialism of feed-in tariff.
In plain English: A fit is a sudden, uncontrollable shaking or spasm of the body.
"She bought new clothes that fit her perfectly."
Usage: In everyday conversation, fit is rarely used as a noun; instead, it functions primarily as an adjective describing someone or something that is healthy, suitable, or well-proportioned. When you do encounter it as a noun, it almost always refers to a sudden physical reaction like a seizure or a spell of anger rather than the technical initialism for feed-in tariff.
insert or adjust several objects or people
"Can you fit the toy into the box?"
"This man can't fit himself into our work environment"
To be suitable for.
"They did not fit together well, so they decided to part ways after just one match."
To suffer a fit.
Fought.
In plain English: To fit means to be the right size or shape for something so it can go inside or work with it properly.
"The new shoes fit perfectly on my feet."
Usage: The common everyday meaning of "fit" is to be suitable or appropriate for something, such as clothing fitting a person or an idea fitting a situation. You should not use this word to mean "fought," which is the past tense of "fight."
meeting adequate standards for a purpose
"a fit subject for discussion"
"it is fit and proper that you be there"
"water fit to drink"
"fit for duty"
"do as you see fit to"
physically and mentally sound or healthy
"felt relaxed and fit after their holiday"
"keeps fit with diet and exercise"
Suitable, proper.
"The bright yellow tie didn't fit his serious suit, so he swapped it for a navy blue one."
In plain English: Fit means being physically healthy and strong enough to do exercise without getting tired easily.
"She wore a bright red dress that fit her perfectly."
Usage: Use "fit" to describe something that is suitable or well-suited for a specific purpose, such as saying a key is fit for the lock. Ensure the noun following it matches in number and clearly indicates the intended function or occasion.
The word fit likely entered English from Middle English as a term for an equal adversary, possibly derived from a root meaning to marshal or deploy troops. Over time, this military sense shifted to describe soldiers suited for a specific location before evolving into the modern meaning of being suitable or appropriate.