Reference meaning

open-eyed

adjective·Reference

Last updated

carefully observant or attentive; on the lookout for possible danger

Related source terms

argus-eyedvigilantwakeful

Source and scope

This definition is reproduced from Princeton WordNet 3.0, sense 00091764-s, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.