Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “expansionism”


noun [U]  /ɪkˈspæn·ʃəˌnɪz·əm/
world history increasing the amount of land ruled by a country , or the business performed by a company : As a consequence of expansionism by some European countries , many ancient cultures have suffered .
(Definition of expansionism noun from the Cambridge Academic Content Dictionary © Cambridge University Press)

More American English definitions for “expansionism”

Definitions of “expansionism” in other dictionaries

Translations of “expansionism”

Word of the Day


a situation in which two people are friends

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More