Idiom: I'm Sure

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sure

Meanings

Used other than figuratively or idiomatically: see sure.

Used to emphasise an apology, acknowledgement, etc.

Used as an interjection to indicate denial or contradiction in response to an assertion or accusation.

I'm sure I left my keys on the kitchen counter.

She's a great student, I'm sure she'll do well on the test.

The movie was amazing, I'm sure you'll love it.

I'm sure he'll be delighted to see you.

They are a reliable company, I'm sure they will deliver on time.