/ Dictionary / Index R righto: Meaning and Definition of Find definitions for: right•o Pronunciation: (rīt'ō", rīt'ō' rī'tō", -tō'), [key] — interj. Chiefly Brit. (used to express understanding or assent). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rightness right of asylum 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