| argus-eyed | (adj) having very keen vision, Syn. hawk-eyed, keen-sighted, lynx-eyed, sharp-sighted, sharp-eyed, quick-sighted, Example: quick-sighted as a cat |
| argus-eyed | (adj) carefully observant or attentive; on the lookout for possible danger, Syn. vigilant, wakeful, open-eyed, Example: 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 |
| Argus-eyed | a. Extremely observant; watchful; sharp-sighted. [ 1913 Webster ] |