Meaning & Definition of word "Beware"

Beware

/bɪˈwɛər/

1. Used to warn someone to be cautious or alert to danger or risk.
- Example: Beware of the dog; it may bite.
2. To be cautious or careful about something.
- Example: You should beware of scams when shopping online.
3. To be on one's guard or alert to potential danger.
- Example: Beware of falling rocks while hiking in the mountains.

Middle English; from be- + ware (adjective meaning 'wary')

beware the Ides of March:

a warning to be cautious about the dangers that may come at a specific time

beware of Greeks bearing gifts:

an admonition to be wary of those who may seem friendly but have ulterior motives

wary:

feeling or showing caution about possible dangers or problems

caution:

care taken to avoid danger or mistakes

alert:

quick to notice any unusual and potentially dangerous or difficult circumstances

Meaning: heads up

Example Sentence: Just a heads up, watch out for that guy.

Meaning: keep your eyes peeled

Example Sentence: Keep your eyes peeled for any suspicious behavior.