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. Notify, usually in advance
   "I warned you that I would ask some difficult questions"
    
3. Advise or counsel in terms of someone's behaviour
   "I warned him not to go too far"; "I warn you against false assumptions"; "She warned him to be quiet";
   - discourage, admonish
    
4. Ask to go away
   "The old man warned the children off his property"

Sounds like: weir, war

Derived forms: warning, warns, warned

Type of: advise, counsel, enjoin, inform, order, rede [archaic], say, tell

Encyclopedia: Warn, Christopher