In perpetuity,

Definition of In perpetuity:

1. Lasting for an everlasting or indefinite amount of time.

2. Forever.

Synonyms of In perpetuity

Forever, Permanently, For always, For good, For good and all, Perpetually, Evermore, For evermore, For ever and ever, For all time, For all future time, Until the end of time, Eternally, For eternity, Everlastingly

How to use In perpetuity in a sentence?

1. All the Bonapartes were banished from France in perpetuity.