/ Dictionary / Index S subcelestial: Meaning and Definition of Find definitions for: sub•ce•les•tial Pronunciation: (sub"su-les'chul), [key] — adj. being beneath the heavens; terrestrial. mundane; worldly. —n. a subcelestial being. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subcategory subcellar 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