[ ri-vur-zhuh n, -shuh n ]
/ rɪˈvɜr ʒən, -ʃən /


the act of turning something the reverse way.
the state of being so turned; reversal.
the act of reverting; return to a former practice, belief, condition, etc.
  1. reappearance of ancestral characters that have been absent in intervening generations.
  2. return to an earlier or primitive type; atavism.
  1. the returning of an estate to the grantor or the grantor's heirs after the interest granted expires.
  2. an estate which so returns.
  3. the right of succeeding to an estate.
Archaic. the remains, especially of food or drink after a meal.

Nearby words

  1. reversible,
  2. reversible calcinosis,
  3. reversible reaction,
  4. reversing falls,
  5. reversing light,
  6. reversionary,
  7. reversionary annuity,
  8. reversionary bonus,
  9. reversioner,
  10. reversionist

Origin of reversion

1350–1400; Middle English < Latin reversiōn- (stem of reversiō) a turning back. See reverse, -ion

Related formsre·ver·sion·al·ly, adverbnon·re·ver·sion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for reversion

British Dictionary definitions for reversion


/ (rɪˈvɜːʃən) /


a return to or towards an earlier condition, practice, or belief; act of reverting
the act of reversing or the state of being reversed; reversal
  1. the return of individuals, organs, etc, to a more primitive condition or type
  2. the reappearance of primitive characteristics in an individual or group
property law
  1. an interest in an estate that reverts to the grantor or his heirs at the end of a period, esp at the end of the life of a grantee
  2. an estate so reverting
  3. the right to succeed to such an estate
the benefit payable on the death of a life-insurance policyholder
Derived Formsreversionally, adverbreversionary or reversional, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for reversion



late 14c., from Old French reversion, from Latin reversionem (nominative reversio) "act of turning back," noun of action from past participle stem of revertere (see revert).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for reversion


[ rĭ-vûrzhən ]


The return of a trait or characteristic peculiar to a remote ancestor, especially one that has been suppressed for one or more generations.
A return to the normal phenotype, usually by a second mutation.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.