/ Dictionary / Index T traceless: Meaning and Definition of Find definitions for: trace•less Pronunciation: (trās'lis), [key] — adj. having or leaving no trace: a traceless crime. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trace fossil tracer Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language