/ Dictionary / Index R rightism: Meaning and Definition of Find definitions for: right•ism Pronunciation: (rī'tiz-um), [key] — n. conservatism, esp. in politics. reactionary principles, attitudes, or behavior. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rightism (Thesaurus) right-hand man rightist Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language