/ Dictionary / Index N no-good: Meaning and Definition of Find definitions for: no-good Pronunciation: (adj.nō'good'n.nō'good&sec), [key] — Informal. Informal. —adj. lacking worth or merit; useless; bad: This no-good faucet never did work properly. Her no-good brother sold me the car. —n. a person or thing that is worthless or undependable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: no-good (Thesaurus) no-go no-goodnik Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language