Warn Definition

wôrn
warned, warning, warns
verb
warned, warning, warns
To tell (a person) of a danger, coming evil, misfortune, etc.; put on guard; caution.
Webster's New World
To give warning.
Webster's New World
To caution about certain acts; admonish.
Warned against smoking in the building.
Webster's New World
To make known (a warning).
Warned that the bolts needed to be replaced.
American Heritage
To notify in advance; inform.
Webster's New World

Origin of Warn

  • From a combination of Old English wiernan (from Proto-Germanic *warnijanÄ…; compare Danish værne) and Old English wearnian (from Proto-Germanic *warnōnÄ…; compare Swedish varna).

    From Wiktionary

  • Old English warnian, from Proto-Germanic *warnōnÄ…. Cognate with German warnen, Dutch waarnen.

    From Wiktionary

  • Middle English warnen from Old English warnian wer-4 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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