verb (used with object), mu·tu·al·ized, mu·tu·al·iz·ing.
  1. to make mutual.
  2. to organize (a company) on a mutual model, in which members share profits, losses, expenses, etc.: The office-supply company will be mutualized in the next fiscal year.
  3. to share (profits, losses, etc., incurred by one member of a group) equally among all members: The officials refused to mutualize the European Union debt.
verb (used without object), mu·tu·al·ized, mu·tu·al·iz·ing.
  1. to become mutual.
  2. to become a mutual company.
Also especially British, mu·tu·al·ise.

Origin of mutualize

First recorded in 1805–15; mutual + -ize
Related formsmu·tu·al·i·za·tion, nounun·mu·tu·al·ized, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for mutualization



  1. to make or become mutual
  2. (tr) US to organize or convert (a business enterprise) so that customers or employees own a majority of shares
Derived Formsmutualization or mutualisation, 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