[dih-fee-zuh-buh l]

Origin of defeasible

From the Anglo-French word defesible, dating back to 1580–90. See defeasance, -ible
Related formsde·fea·si·ble·ness, de·fea·si·bil·i·ty, nounnon·de·fea·si·bil·i·ty, nounnon·de·fea·si·ble, adjectivenon·de·fea·si·ble·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for defeasibility


  1. law (of an estate or interest in land) capable of being defeated or rendered void
  2. philosophy (of a judgment, opinion, etc) having a presupposition in its favour but open to revision if countervailing evidence becomes knownCompare incorrigible (def. 3)
Derived Formsdefeasibleness or defeasibility, noun
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