/ Dictionary / Index R rougher: Meaning and Definition of Find definitions for: rough•er Pronunciation: (ruf'ur), [key] — n. a person or thing that roughs or roughs out something, as certain crude cutting tools or a person who performs the first, rough parts of a process. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rougher (Thesaurus) rough endoplasmic reticulum rough fish 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