1. past tense and past participle of colonialise: to establish or extend colonial control over a territory or people
Usage: British spelling variant of 'colonialized'; typically used in historical or political contexts

Examples

• European powers colonialised much of Africa during the 19th century.
• The region was colonialised by a foreign empire for over two hundred years.
• Indigenous populations were displaced when their lands were colonialised.
• Many nations have worked to reverse the effects of having been colonialised.
• The colonialised territories eventually gained independence after World War II.