/ Dictionary / Index N nugacious: Meaning and Definition of Find definitions for: nu•ga•cious Pronunciation: (n-gā'shus, ny-), [key] — adj. trivial; unimportant or insignificant; nugatory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Nufud nugacity Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language