/ Dictionary / Index R reversionary: Meaning and Definition of Find definitions for: re•ver•sion•ar•y Pronunciation: (ri-vûr'zhu-ner"ē, -shu-), [key] — adj. of, pertaining to, or involving a reversion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reversionary (Thesaurus) reversion reversionary annuity 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