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English definition of “I know”

I know

B1 said when you suddenly think of a good idea , an answer , or a solution : I know - let's go to the beach !InterjectionsSounds used as interjections B2 said to show you agree with something someone has just said: "But he's so awful ." "I know - he's dreadful ."Words and phrases expressing agreement and acceptance
(Definition of I know from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Translations of “I know”

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familiarity

a good knowledge of something, or the fact that you know it so well

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