/ Dictionary / Index N nutsy: Meaning and Definition of Find definitions for: nut•sy Pronunciation: (nut'sē), [key] — -si•er, -si•est. nutty (defs. 3, 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nutshell nutter Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language