1Having very good eyesight.With keen hawk-eyed vision, he spied his next target.
1.1Watching carefully; vigilant:a hawk-eyed policeman saved the lives of dozens of shoppers...
Jack was watching the proceedings, hawk-eyed.
The hawk-eyed Food and Drug Administration deems lung - a common ingredient in haggis - to be unfit for human consumption.
The wing entrance was particularly in need of cleaning but hawk-eyed members of the team were also disappointed with the quality of furniture and linen in some wards.
Synonyms
vigilant, observant, alert, sharp-eyed, keen-eyed, gimlet-eyed, eagle-eyed, lynx-eyed, with one's eyes open, on the alert, on the lookout, with one's eyes opened/skinned/peeled
informal beady-eyed, not missing a trick, on the ball, leery