hawk-eyed vs argus-eyed

hawk-eyed and argus-eyed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hawk-eyed	No	Yes	No	No
argus-eyed	No	Yes	No	No

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

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

hawk-eyed (adjective)	argus-eyed (adjective)
having very keen vision	carefully observant or attentive; on the lookout for possible danger
	having very keen vision