know

/noʊ/ v [I/T] (past tense knew /nu/, past participle known /noʊn/) (HAVE INFORMATION)

Definition

› to have information in your mind; to be aware of something: [I] “Where did he go?” “I don’t know.” [T] Do you know the answer? [T] She knows the name of every kid in school. [+ question word] Do you know how to tap dance? [+ question word] We don’t know when he’s arriving. [+ (that) clause] I knew (that) something was wrong from the start. [+ question word] I want to know how much this will cost. know of › If you know of someone or something, you have experience of or information about the person or thing: Do you know of a good doctor?

(Definition of know v (HAVE INFORMATION) from the Cambridge Academic Content Dictionary © Cambridge University Press)