1. to remove national character, status, or ownership from something; to transfer from state control to private ownership
Usage: British English spelling (American English: denationalizes); third person singular present tense
2. to deprive a person of national citizenship or national identity
Usage: British English spelling (American English: denationalizes); third person singular present tense

Examples

• The government denationalises the railway system to reduce public spending.
• The policy denationalises several state-owned industries.
• The law denationalises citizens who renounce their allegiance.
• She denationalises the company by selling it to private investors.
• The reform denationalises healthcare services across the region.
• The court denationalises him after he commits treason.
• The administration denationalises key sectors of the economy.