Dictionary.com
Thesaurus.com
Synonyms

colonialism

American  
[kuh-loh-nee-uh-liz-uhm] / kəˈloʊ ni əˌlɪz əm /

noun

  1. the control or governing influence of a nation over a dependent country, territory, or people.

  2. the system or policy by which a nation maintains or advocates control or influence over a dependent country, territory, or people.

  3. the state or condition of being colonial.

  4. an idea, custom, or practice peculiar to a colony.


colonialism British  
/ kəˈləʊnɪəˌlɪzəm /

noun

  1. Also called: imperialism.  the policy and practice of a power in extending control over weaker peoples or areas

"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

colonialism Cultural  
  1. The control of one nation by “transplanted” people of another nation — often a geographically distant nation that has a different culture and dominant racial or ethnic group. (See ethnicity.)


Discover More

Control that is economic and cultural, rather than political, is often called neocolonialism.

A classic example of colonialism is the control of India by Britain from the eighteenth century to 1947.

Other Word Forms

  • colonialist noun
  • colonialistic adjective

Etymology

Origin of colonialism

First recorded in 1850–55; colonial ( def. ) + -ism ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

President Macron will also address the conference on Friday, having told the World Economic Forum in Davos last month that now was "not a time for new imperialism or new colonialism".

From BBC • Feb. 13, 2026

As a young adult in the US, she immersed herself in books on the history of Africa before colonialism, particularly West Africa.

From BBC • Jan. 27, 2026

Through the animal’s point of view, De Los Santos Arias considers the enduring grip of colonialism and the consequences of human irrationality.

From Los Angeles Times • Dec. 22, 2025

Frye said this was a legacy of colonialism and apartheid.

From Barron's • Nov. 28, 2025

Unlike so many other African states, it had fought colonialism at every turn.

From "Long Walk to Freedom" by Nelson Mandela