Meaning of the word beware in English

What does beware mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

beware

US /bɪˈwer/
UK /bɪˈweər/
"beware" picture

Verb

be careful and watchful; be on one's guard against

Example:
Beware of the dog!
Beware of false prophets.