/ Dictionary / Index N nocuous: Meaning and Definition of Find definitions for: noc•u•ous Pronunciation: (nok'y-us), [key] — adj. likely to cause damage or injury; harmful; noxious. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nocturne no-cut contract Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language