proprietorial

English

From proprietor +‎ -ial.

proprietorial (comparative more proprietorial, superlative most proprietorial)

Of or pertaining to ownership.
Characteristic of or behaving like a proprietor or owner (of a thing); possessive.
- 2004, David Mitchell, Cloud Atlas, London: Hodder and Stoughton, →ISBN, page 483:
  A superficially handsome young fellow had his arm round her, and he barred my way and told me something in proprietorial Flemish.
- 2006, Elizabeth Buchan, Wives Behaving Badly, →ISBN:
  “I'm pretty sure he did, Felix.” There was a proprietorial note in Rose's voice, to which I objected.