unconstitutional

adjective | \ ˌən-ˌkän-stə-ˈtü-shə-nəl, -ˈtyü- \ | un·con·sti·tu·tion·al
  1. : contrary to or failing to comply with a constitution; especially : violative of a person's rights guaranteed by the U.S. Constitution an unconstitutional search and seizure : violative of a person's rights guaranteed by the U.S. Constitution an unconstitutional search and seizure