Examples of “warn” in a Sentence

verb To alert someone to a danger, problem, or something unpleasant that may happen.

• Signs on the beach warn swimmers about strong currents.
• The forecast warned residents of an approaching storm.
• The coach warned the team about complacency after their winning streak.

verb To advise someone against a particular course of action or behavior.

• My mother warned me against lending money to friends.
• The doctor warned him not to skip his medication.
• She warned him not to trust the offer.