/ Dictionary / Index L lidless: Meaning and Definition of Find definitions for: lid•less Pronunciation: (lid'lis), [key] — adj. (of objects) without a lid. (of eyes) without or as if without lids. watchful, as with unblinking eyes; vigilant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lidless (Thesaurus) Lidice lido Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language