/ Dictionary / Index S sillabub: Meaning and Definition of Find definitions for: sil•la•bub Pronunciation: (sil'u-bub"), [key] — n. syllabub. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sillabub (Thesaurus) sill Silla Kingdom Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language