Englishfor English speakers
fit
Verb
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When you fit something, you match a thing for size, shape or other qualities.
They fitted his hat.
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When a thing fits, it is a good match for something.
These shoes fit me very well.
fit
Adjective
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When you are fit, you are healthy and able to do a task.
After he slept he looked very fit.
fit
Noun
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When you have a fit, you have a sudden emotion.
He hit the man in a fit of rage.
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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.
is
Verb
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A form of the verb be when talking about someone or something else.
He is late for class.
Is it hot in here?
impossible
Adjective
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If something is impossible it cannot happen or cannot be done.
It is impossible for people to breathe water.
It's impossible for one man to build a whole city in one day.
That shot is impossible, no one could hit the target from here.
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If a person is impossible they refuse to agree or to be peaceful.
No point arguing with you! You're just impossible!