[in-di-fee-zuh-buh l]


not defeasible; not to be annulled or made void; not forfeitable.

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for indefeasible

Historical Examples of indefeasible

British Dictionary definitions for indefeasible



law not liable to be annulled or forfeited
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).

Online Etymology Dictionary, © 2010 Douglas Harper