/ Dictionary / Index S smokeless: Meaning and Definition of Find definitions for: smoke•less Pronunciation: (smōk'lis), [key] — adj. emitting, producing, or having little or no smoke. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: smokeless (Thesaurus) smokejumper smokeless powder Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language