/ Dictionary / Index S stellar: Meaning and Definition of Find definitions for: stel•lar Pronunciation: (stel'ur), [key] — adj. of or pertaining to the stars; consisting of stars. like a star, as in brilliance, shape, etc. pertaining to a preeminent performer, athlete, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stellar (Thesaurus) Stella Polaris stellar association 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