hawk-eyed vs sharp-sighted

hawk-eyed and sharp-sighted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hawk-eyed	No	Yes	No	No
sharp-sighted	No	Yes	No	No

As adjectives, hawk-eyed and sharp-sighted are synonyms defined as:

Other synonyms of hawk-eyed include argus-eyed, keen-sighted, lynx-eyed, quick-sighted, sharp-eyed.

hawk-eyed (adjective)	sharp-sighted (adjective)
having very keen vision	keenly perceptive or alert
	having very keen vision