tr.v. warned, warn·ing, warns
1. To notify or make aware in advance of something, especially of possible danger or misfortune: warned boaters of the coming storm; warned me that they might be delayed.
2. To make known (a warning): warned that the bolts needed to be replaced.
3. To advise or caution (someone) about a course of action: warned us to be careful; warned us not to stay up too late.
4. To notify (a person) to go or stay away: The ranger warned hikers away from the cliff.
[Middle English warnen, from Old English warnian; see wer-4 in the Appendix of Indo-European roots.]
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