warn

IPA: wˈɔrn

(transitive) To make (someone) aware of (something impending); especially:
(transitive) To make (someone) aware of impending danger, evil, etc.
(transitive) To notify or inform (someone, about something).
(transitive) To summon (someone) to or inform of a formal meeting or duty.
(transitive, intransitive, of a clock, possibly obsolete) To make a sound (e.g. clicking or whirring) indicating that it is about to strike or chime (an hour).
(transitive) To caution or admonish (someone) against unwise or unacceptable behaviour.
(chiefly with "off", "away", and similar words) To advise or order to go or stay away.
(intransitive) To give warning.

Examples of "warn" in Sentences

The calls warn that a car warranty is about to expire.
The labels warn of an increased suicide risk to adults ages 18 to 24.
Most likely, the envelope had been stolen in what many warn is prime pick-pocketing territory.
I again warn my fellow Americans who are use to simply standing by while events pass you by ....
One risk of dividend investing, experts warn, is being drawn into mature companies with poor growth prospects.
One viewpoint which has taken me utterly by warn is the strenuous cry for a Chiefs to breeze an Offensive Tackle in a initial round.
The calls warn voters, whether registered or not, that they cannot vote until they fill-out the information in a packet they will receive in the mail.