subject to later alteration; temporary or conditional: a provisional decision
—n
2.
a postage stamp surcharged during an emergency to alter the stamp's denomination or significance until a new or regular issue is printed
provisionaryorprovisionary
—adj
—n
pro'visionallyorprovisionary
—adv
Provisional (prəˈvɪʒənəl)
—adj
1.
of, designating, or relating to the unofficial factions of the IRA and Sinn Féin that became increasingly dominant following a split in 1969. The Provisional movement remained committed to a policy of terrorism until its ceasefires of the mid-1990s
—n
2.
Also called: Provo a member of the Provisional IRA or Sinn Féin
of temporary arrangements, c.1600, from Fr. provisionnal (late 15c.), from O.Fr. provision (see provision). The notion is of something that will "provide for present needs."