provisional

noun2

1. •
   A postage stamp issued locally before an official issue is released.
2. •
   An interim denture.

   • If this was not possible, then alternatives including provisionalizing with a complete denture or a tooth-supported fixed provisional and a staged treatment protocol should have been considered. — 2015

adjective1

1. •
   Temporary, but with the intention of eventually becoming permanent or being replaced by a permanent equivalent.

   • Marsden and Jones were named in the provisional squad for the European Championships, to be confirmed before the 30 June deadline.
   • The provisional date for the wedding is April 2, but it is subject to confirmation at the church.

noun1

1. •
   a member of the Provisional Irish Republican Army