Synonyms for (adjective) watchful

Synonyms: alert, watchful

Definition: engaged in or accustomed to close observation

Usage: caught by a couple of alert cops; alert enough to spot the opportunity when it came; constantly alert and vigilant, like a sentinel on duty

Similar words: vigilant, wakeful, open-eyed, argus-eyed

Definition: carefully observant or attentive; on the lookout for possible danger

Usage: a policy of open-eyed awareness; the vigilant eye of the town watch; there was a watchful dignity in the room; a watchful parent with a toddler in tow


Similar words: fly

Definition: (British informal) not to be deceived or hoodwinked


Similar words: wide-awake, heads-up

Definition: fully alert and watchful

Usage: played heads-up ball


Similar words: sleepless, lidless

Definition: always watchful

Usage: to an eye like mine, a lidless watcher of the public weal- Alfred Tennyson


Synonyms: watchful, insomniac, sleepless

Definition: experiencing or accompanied by sleeplessness

Usage: insomniac old people; insomniac nights; lay sleepless all night; twenty watchful, weary, tedious nights- Shakespeare

Similar words: awake

Definition: not in a state of sleep; completely conscious

Usage: lay awake thinking about his new job; still not fully awake