provisional

US /prəˈvɪʒ.ən.əl/
UK /prəˈvɪʒ.ən.əl/
1.

a provisional postage stamp.

2.

a member of the Provisional wings of the Irish Republican Army or Sinn Fein.

2.

relating to the unofficial wings of the Irish Republican Army and Sinn Fein established in 1969 and advocating terrorism.

:
the Provisional IRA