/ Dictionary / Index R rowdyism: Meaning and Definition of Find definitions for: row•dy•ism Pronunciation: (rou'dē-iz"um), [key] — n. rough, disorderly behavior. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rowdyism (Thesaurus) rowdyish Rowe Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language