/ Dictionary / Index S suffix: Meaning and Definition of Find definitions for: suf•fix Pronunciation: (n.suf'iksv.suf'iks, s&schwa&sylpfiks'), [key] — n. an affix that follows the element to which it is added, as -ly in kindly. something added to the end of something else. —v.t. to add as a suffix. to affix at the end of something. to fix or put under. —v.i. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: suffix (Thesaurus) sufficient sufflate 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