non-parliamentary

adjective

1. of or relating to a parliament or any of its members.
2. enacted or established by a parliament.
3. having a parliament.
4. of the nature of a parliament.
5. in accordance with the formal rules governing the methods of procedure, discussion, and debate in deliberative bodies and organized assemblies: parliamentary order.

adjective (sometimes capital)

1. of or characteristic of a parliament or Parliament
2. proceeding from a parliament or Parliamenta parliamentary decree
3. conforming to or derived from the procedures of a parliament or Parliamentparliamentary conduct
4. having a parliament or Parliament
5. of or relating to Parliament or its supporters during the English Civil War

adj.1610s, from parliament + -ary.