Warn word meaning and definition

[verb] notify, usually in advance; "I warned you that I would ask some difficult questions"
[verb] ask to go away; "The old man warned the children off his property"
[verb] notify of danger, potential harm, or risk; "The director warned him that he might be fired"; "you will get hungry if you don't eat," he warned; "The doctor warned me about the dangers of smoking"
[verb] admonish or counsel in terms of someone's behavior; "I warned him not to go too far";"I warn you against false assumptions"; "She warned him to be quiet"

\Warn\ (w[add]rn), v. t. [OE. wernen, AS. weornan, wyrnan. Cf. {Warn} to admonish.] To refuse. [Written also {wern}, {worn}.] [Obs.] --Chaucer.
\Warn\, v. t. [imp. & p. p. {Warned}; p. pr. & vb. n. {Warning}.] [OE. warnen, warnien, AS. warnian, wearnian, to take heed, to warn; akin to AS. wearn denial, refusal, OS. warning, wernian, to refuse, OHG. warnen, G. warnen to warn, OFries. warna, werna, Icel. varna to refuse; and probably to E. wary. ????.] 1. To make ware or aware; to give previous information to; to give notice to; to notify; to admonish; hence, to notify or summon by authority; as, to warn a town meeting; to warn a tenant to quit a house. ``Warned of the ensuing fight.'' --Dryden. Cornelius the centurion . . . was warned from God by an holy angel to send for thee. --Acts x. 22. Who is it that hath warned us to the walls? --Shak. 2. To give notice to, of approaching or probable danger or evil; to caution against anything that may prove injurious. ``Juturna warns the Daunian chief of Lausus' danger, urging swift relief.'' --Dryden. 3. To ward off. [Obs.] --Spenser.

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