Argus-eyed

adjective
Ar·​gus-eyed | \ ˈär-gəs-ˌīd How to pronounce Argus-eyed (audio) \

Definition of Argus-eyed

: vigilantly observant

Synonyms & Antonyms for Argus-eyed

Synonyms

alert, attentive, awake, observant, open-eyed, tenty (also tentie) [Scottish], vigilant, watchful, wide-awake

Antonyms

asleep

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First Known Use of Argus-eyed

1603, in the meaning defined above

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