Synonyms of the word

argus-eyed

• adj. ever vigilant.

alert

• adj. Attentive; awake; on guard.
• adj. (obsolete) Brisk; nimble; moving with celerity.
• n. An alarm.
• n. A notification of higher importance than an advisory.
• v. To give warning to.

hawk-eyed

• adj. Having very good eyesight.

lynx-eyed

• adj. Possessing particularly good vision.

open-eyed

• adj. alert and vigilant.

sharp-eyed

• adj. Having acute vision; having good eyesight.
• adj. Attentive, given to noticing things, aware.

sighted

• v. simple past tense and past participle of sight.
• adj. Not blind.

vigilant

• adj. Watchful, especially for danger or disorder; alert; wary.

wakeful

• adj. Awake; not sleeping.
• adj. Sleepless.
• adj. Vigilant and alert; watchful.

watchful

• adj. observant, vigilant and aware.