[ ik-span-shuh-niz-uh m ]
/ ɪkˈspæn ʃəˌnɪz əm /


a policy of expansion, as of territory or currency: the colonial expansionism of Europe in the 19th century.

Origin of expansionism

First recorded in 1895–1900; expansion + -ism
Related formsex·pan·sion·ist, noun, adjectiveex·pan·sion·is·tic, adjectivean·ti·ex·pan·sion·ism, nounan·ti·ex·pan·sion·ist, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for expansionist

British Dictionary definitions for expansionist


/ (ɪkˈspænʃəˌnɪzəm) /


the doctrine or practice of expanding the economy or territory of a country
Derived Formsexpansionist, noun, adjectiveexpansionistic, 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 expansionist



"one who advocates the expansion of the territory of his nation," 1864, from expansion + -ist. Related: Expansionism.

Online Etymology Dictionary, © 2010 Douglas Harper