Synonyms of be on the lookout for

be on the lookout for

phrase

variants or keep a lookout for

as in watch out (for)

to be cautious of or on guard against

After the storm, the police told the public to be on the lookout for downed power lines.

The public should remain vigilant and keep a lookout for any suspicious activity.

Synonyms & Similar Words

• watch out (for)
• guard (against)
• beware (of)
• look out (for)
• watch
• notice
• mind
• ware
• observe
• note
• attend
• heed
• keep one's eyes open (for)
• mark
• see
• perceive
• behold
• discern

Antonyms & Near Antonyms

• ignore
• discount
• miss
• disregard
• overlook

Example Sentences

Recent Examples of be on the lookout for

Germans have been told to be on the lookout for other wild animals over the years. — CBS News, 14 Mar. 2026

And be on the lookout for your favorite characters, including Shrek and Puss in Boots, who meet guests throughout the day. — Carly Caramanna, Travel + Leisure, 14 Mar. 2026

Law enforcement will be on the lookout for threats on the ground, on nearby buildings and in cars. — Sierra Van Der Brug, Daily News, 12 Mar. 2026

And the Michigan attorney general issued an alert to be on the lookout for scams. — Frank Witsil, Freep.com, 10 Mar. 2026