/ Dictionary / Index S syl-: Meaning and Definition of Find definitions for: syl- Pronunciation: [key] var. ofbefore l: syllepsis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Syktyvkar Sylacauga Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language