disaffiliation.

The ending of membership or a formal association with an organization.

Use it for

Words that belong together

• disaffiliation from a party
• formal disaffiliation

On the page

The union voted for disaffiliation from the federation.

Usage notes

Primary category: academic / formal. Forms: Usually uncountable; no ordinary plural in this sense. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.