/ Dictionary / Index S sinnet: Meaning and Definition of Find definitions for: sin•net Pronunciation: (sin'it), [key] — n. sennit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sinner Sinn Fein 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