WARN, verb transitive [G.] 1. To give notice of approaching or probable danger or evil, that it may be avoided; to caution against any thing that may prove injurious. Juturna warns the Daunian chief of Lausus danger-- being warned of God in a dream, that they should not return to Herod, they departed into their own country another way. Matthew 2:12. 2. To caution against evil practices. 1 Thessalonians 5:14. 3. To admonish of any duty. Cornelius--was warned from God by an holy angel to send for thee. Acts 10:22. 4. To inform previously; to give notice to. --Warnd of th ensuing fight. 5. To notify by authority; to summon; as, to warn the citizens to meet on a certain day; to warn soldiers to appear on parade. 6. To ward off. [Not in use.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI