/ Dictionary / Index C chartless: Meaning and Definition of Find definitions for: chart•less Pronunciation: (chärt'lis), [key] — adj. uncharted or unknown: chartless regions of space. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chartless (Thesaurus) chartist chartlet Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language