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English definition of “know”

know

verb [I/T] (HAVE UNDERSTANDING)   /noʊ/ (past tense knew  /nu/, past participle known  /noʊn/)
to agree with or understand the reasons for an action or opinion: [+ question word] I don’t know what all the fuss is about. [+ question word] “What a stupid movie!” “I know what you mean.” know what it is (like) to To know what it is (like) to be or do something is to understand because you have personally experienced it: She knows what it’s like to go bankrupt – it happened to her 20 years ago.
(Definition of know verb (HAVE UNDERSTANDING) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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