Definition of "lidless" [lid•less]

• Having no lid or lids. (adjective)
• Archaic Watchful; vigilant. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As for News of the World, the media has alighted on one of its convenient little narratives, this one about the all-powerful media mogul, his lidless eyes gazing over every corner, closet and cellar of his empire, his obedient minions debasing everything they touch."
• ""Three Figures Beneath a Tree" 1907-8 features women with lidless almond-shaped eyes, and faces with strange concave surfaces - depicted in a shallow stage set full of sharp wrinkles and ridges."
• "The lidless eyes had the dull and glacial gaze of an octopus, but the nose with quivering flaps and the enormous mouth furnished with black teeth gave it an expression of melancholy ferocity and disdainful sadness."