Synonyms of on the alert

on the alert

phrase

as in alert

paying close attention usually for the purpose of anticipating approaching danger or opportunity

Residents were warned to stay on the alert for changes in the storm's projected path.

Synonyms & Similar Words

• alert
• awake
• on the ball
• vigilant
• watchful
• on the qui vive
• aware
• alive
• attentive
• careful
• on guard
• cautious
• regardful
• wide-awake
• sensitive
• on tiptoe
• wary
• observant
• Argus-eyed
• keen
• conscious
• tentie
• open-eyed
• on one's toes
• tenty
• prepared
• mindful
• sharp
• cognizant
• hyperalert
• sleepless
• heedful
• wakeful
• ready
• hypervigilant
• chary
• sharp-eyed
• observing

Antonyms & Near Antonyms

• asleep
• preoccupied
• absent
• distracted
• dreaming
• absorbed
• engrossed
• oblivious
• unaware
• dreamy
• sleeping
• dazed
• unconscious
• abstracted
• insensible
• daydreaming
• faraway
• unwitting
• careless
• unprepared
• absentminded
• unmindful
• unwary
• unthinking
• heedless
• unknowing
• inattentive
• unheeding
• unready