, v. (only in imper. or infin.)
1 intr. (often foll. by of, or that, lest, etc. + clause) be cautious, take heed (beware of the dog; told us to beware; beware that you don't fall).
2 tr. be cautious of (beware the Ides of March).
VB
warn, caution, forewarn, prewarn, admonish, premonish, give notice, give warning, dehort, menace, put on one's guard, sound the alarm, croak, beware, ware, take warning, take heed at one's peril, keep watch and ward.