Wiktionary
imprisonable
a. 1 Capable of being imprisoned. 2 (context legal of an offence English) The sentence for which is imprisonment.
Usage examples of "imprisonable".
Some of them shook their fists in return, others waved, and many made the emphatic gesture with the palm of the hand that is so insulting that in later years its perpetration was to become an imprisonable offence.
He’s made it an imprisonable offense to connect this house to the Floo Network, place a Portkey here, or Apparate in or out.