hawk-eyed

American  

[hawk-ahyd] / ˈhɔkˌaɪd /

adjective

1. having very keen sight.

   a hawk-eyed guard.

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hawk-eyed British  

adjective

1. having extremely keen sight

2. vigilant, watchful, or observant

   hawk-eyed scrutiny

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Etymology

Origin of hawk-eyed

First recorded in 1810–20

Example Sentences

Holmes's real-life model was Doyle's professor, hawk-eyed diagnostician Joseph Bell; writers from Émile Gaboriau to Edgar Allen Poe offered fictional prototypes.

From Nature • Jan. 24, 2017

Each campaign now watches hawk-eyed for the kind of small mistakes seen in Colorado.

From Los Angeles Times • Apr. 20, 2016

Their mother skipped out on the family some time before their dad’s death, so Anna has served as the hawk-eyed de facto parent for Lilly, who is several years younger.

From New York Times • Feb. 26, 2016

Thanks to all the hawk-eyed readers who pointed this out. 

From Economist • Sep. 23, 2012

This was a district of suburban streets and small shops, and before long, hawk-eyed Asta, with Ben flying close to her, cried out, “Left! Left!”

From "The Book of Dust: La Belle Sauvage" by Philip Pullman