eagle-eyed
UK /ˌiːɡlˈʌɪd/ US /ˌiːɡlˈʌɪd/
adj 2
Definitions
adj
1
Having great visual acuity, especially the ability to see at a distance.
We like old signs at railway stations, and eagle-eyed John Macnab, from Falkirk, spotted one in our photograph of a Virgin Trains Class 390 at London Euston (RAIL 889).
2
Keenly perceptive.
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