Definition of Argus-eyed in English:

Argus-eyed

adjective

literary
  • Vigilant.

    • ‘The young salmon in the Orkla and Sokna rivers are monitored with Argus-eyed vigilance.’
    • ‘Such Argus-eyed surveillance is now so widespread that criminals on television (and no doubt in what some folks still call real life) cover prying lenses or conduct their malefactions outside photographic range.’
    • ‘One peek out the van's window revealed a street corner bristling with army-fatigued, booted, beret capped, and Argus-eyed soldiers, all of them cradling very large automatic weapons and standing their posts with grave purpose.’
    watchful, on the lookout, observant, sharp-eyed, keen-eyed, gimlet-eyed, eagle-eyed, hawk-eyed, with eyes like a hawk, with one's eyes open, keeping one's eyes peeled, keeping one's eyes skinned, attentive, paying attention, alert, on the alert, on one's toes, on the qui vive
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Pronunciation:

Argus-eyed

/ˈärɡəsˌīd/