/ Dictionary / Index L light-duty: Meaning and Definition of Find definitions for: light-du•ty Pronunciation: (līt'd'tē, -dy'-), [key] — adj. made or designed to withstand comparatively moderate loads, use, or stress:Cf. heavy-duty. light-duty trucks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: light-duty (Thesaurus) light draft light-emitting diode Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language