[verb] - (used in warnings) to be very careful about (something or someone)The mountains are a paradise for climbers and skiers - though beware, wolves still roam there. [I]Beware salespeople who promise offers that seem too good to be true. [T]You should beware of undercooked food when staying in hot countries. [I]Beware of falling asleep while sunbathing. [I]USAGE: Beware is only used in commands and warnings.Beware is often used on signs.Beware of the dog.Beware - poisonous chemicals.
BEWARE
Meaning of BEWARE in English
Cambridge English vocab. Кембриджский английский словарь. 2012