/ Dictionary / Index S subdeb: Meaning and Definition of Find definitions for: sub•deb Pronunciation: (sub'deb"), [key] — n. Informal. a subdebutante. any girl in her teens. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subdeaconate subdebutante 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