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Argus–eyed

adjective Ar·gus–eyed \ˈär-gəs-ˌīd\

Definition of ARGUS-EYED

: vigilantly observant

1603

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

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