vigilant vs open-eyed

vigilant and open-eyed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
vigilant	No	Yes	No	No
open-eyed	No	Yes	No	No

As adjectives, vigilant and open-eyed are synonyms defined as:

vigilant and open-eyed: carefully observant or attentive; on the lookout for possible danger

Other synonyms of vigilant include argus-eyed, wakeful, watchful.

vigilant (adjective)	open-eyed (adjective)
carefully observant or attentive; on the lookout for possible danger	carefully observant or attentive; on the lookout for possible danger