impropriate (impropriates, present participle impropriating; past and past participle impropriated)

1. (transitive, obsolete) To appropriate for private use.
   • 1622, Francis, Lord Verulam, Viscount St. Alban [i.e. Francis Bacon], The Historie of the Raigne of King Henry the Seventh, […], London: Printed by W[illiam] Stansby for Matthew Lownes, and William Barret, OCLC 1086746628 ↗:

     And for the Pardon of the rest, that had stood against the King; the King, upon a second advice, thought it not fit it should pass by Parliament, the better (being matter of Grace) to impropriate the Thanks to himself […]

2. (transitive) In ecclesiastical law, to place (ecclesiastical property) under control or management of a layperson.

impropriate (not comparable)

1. Of ecclesiastical property: placed under the control or management of a layperson.