01 v. i. To be on one's guard; to be cautious; to take care; -- commonly followed by of or lest before the thing that is to be avoided.
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1.
To be on one's guard; to be cautious; to take care; -- commonly followed by of or lest before the thing that is to be avoided.“Beware of all, but most beware of man !” — Pope.“Beware the awful avalanche.” — Longfellow.
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2.
To have a special regard; to heed.[Obs.]“Behold, I send an Angel before thee. . . . Beware of him, and obey his voice.” — Ex. xxiii. 20, 21.