be on the lookout
Keep eyes open
To be on the lookout is to watch alertly for something or someone: Be on the lookout for deer crossing the road, Police are on the lookout for the suspect.
The phrase implies active vigilance rather than passive waiting.
Often shortened to BOLO in law enforcement contexts.
State of keen awareness
- watchfulnessCareful, sustained attention
- awarenessState of perceiving reality
- attentivenessConcentrated awareness of surroundings
- cautionCareful attention to risk
wariness · readiness · observation · surveillance · monitoring · guard · sentry · vigil
vigilance
State of keen awareness
- watchfulnessCareful, sustained attention
- awarenessState of perceiving reality
- attentivenessConcentrated awareness of surroundings
caution · wariness · readiness · observation · surveillance · monitoring · guard · sentry · vigil · heedfulness
hunt
Pursuit of quarry
scan · track · pursue · scour · detect · spot · locate · find · investigate · explore
- pursuitchase, chasing, pursuit, chase down, pursue
be on the lookoutzone out
Become mentally absent
let one's guard down · tune out · space out · daydream · drift off
be on the lookoutthrow caution to the wind
Act recklessly, disregarding consequences
drop one's guard · disregard · turn a blind eye · look the other way · rest easy