• synonyms


[ik-span-shuh-niz-uh m]
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  1. a policy of expansion, as of territory or currency: the colonial expansionism of Europe in the 19th century.
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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. 2018

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British Dictionary definitions for expansionism


  1. the doctrine or practice of expanding the economy or territory of a country
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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