Breadcrumb Home > Dictionary > Index N nitty: Meaning and Definition of Find definitions for: nit•ty Pronunciation: (nit'ē), [key] — -ti•er, -ti•est. full of nits. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Nitti nitty-gritty ✖ Related Content Daily Word Quiz: restive Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language