• synonyms


[in-di-fee-zuh-buh l]
See more synonyms for indefeasible on Thesaurus.com
  1. not defeasible; not to be annulled or made void; not forfeitable.
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Origin of indefeasible

First recorded in 1540–50; in-3 + defeasible
Related formsin·de·fea·si·bil·i·ty, in·de·fea·si·ble·ness, nounin·de·fea·si·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for indefeasible

Historical Examples

  • This gives me the indefeasible right to dogmatize about preaching.

    My New Curate

    P.A. Sheehan

  • Since the abolition of chattel slavery this has been indefeasible except for crime.


    Calvin Elliott

  • It is indefeasible and perpetual,—not to be sold, not to be bought.

  • And thus piety and justice shall be as indefeasible as happiness.

    The City of God, Volume II

    Aurelius Augustine

  • And it was her indefeasible belief that Jean-Marie was dull.

British Dictionary definitions for indefeasible


  1. law not liable to be annulled or forfeited
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Derived Formsindefeasibility or indefeasibleness, nounindefeasibly, adverb
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 indefeasible


1530s (implied in indefeasibly), from in- (1) "not, opposite of" + defeasible (see defeasance).

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Online Etymology Dictionary, © 2010 Douglas Harper