Meaning of the word "be on the lookout for" in English

What does "be on the lookout for" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

be on the lookout for

US /bi ɑn ðə ˈlʊkˌaʊt fɔr/
UK /bi ɑn ðə ˈlʊkˌaʊt fɔr/
"be on the lookout for" picture

Idiom

1.

to be actively watching or searching for something or someone

Example:
We need to be on the lookout for any suspicious activity.
The police are on the lookout for the escaped prisoner.
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