/ Dictionary / Index R rough fish: Meaning and Definition of Find definitions for: rough' fish' Pronunciation: [key] any fish that is not valued as a sport fish or considered a significant source of food by sport fishers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rougher rough-hew Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language