warn meaning and definition

WARN verb

Definition of warn (verb)

1. 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"
2. admonish 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"
   • synonyms: admonish, discourage, monish
3. ask to go away
   • "The old man warned the children off his property"
4. notify, usually in advance
   • "I warned you that I would ask some difficult questions"