Meaning of warn

Definition of warn

(verb) notify of danger, potential harm, or risk; "The director warned him that he might be fired"; "The doctor warned me about the dangers of smoking"
advise or counsel in terms of someone's behavior; "I warned him not to go too far"; "I warn you against false assumptions"; "She warned him to be quiet"
ask to go away; "The old man warned the children off his property"
notify, usually in advance; "I warned you that I would ask some difficult questions"

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