v. 25B6; verb BE ON YOUR GUARD, watch out, look out, mind out, be alert, be on the lookout, keep your eyes open/peeled, keep an eye out, keep a sharp lookout, be on the qui vive; take care, be careful, be cautious, have a care, watch your step; Brit. school slang, dated cave; Golf fore; Hunting ware.
BEWARE
Meaning of BEWARE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012