Main Entry:

warn

Pronunciation:

\ˈwȯrn\

Function:

verb

Etymology:

Middle English, from Old English warnian; akin to Old High German warnōn to take heed, Old English wær careful, aware — more at wary

Date:

before 12th century

transitive verb1 a: to give notice to beforehand especially of danger or evil b: to give admonishing advice to : counsel c: to call to one's attention : inform2: to order to go or stay away —often used with offintransitive verb: to give a warning

— warn·er noun