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