stopgap

noun
  1. 1

    That which fills a gap or hiatus.

  2. 2

    A temporary measure or short-term fix used until something better can be obtained; that which serves as an expedient in an emergency; a band-aid solution.

    โ€œThe small company uses their old product with a few kludged enhancements as a stopgap until they can develop a new product.โ€

adjective
  1. 1

    Filling a gap or pause.

  2. 2

    Temporary; short-term.

    โ€œThey put a stopgap solution in place, but need something more permanent.โ€

Source: https://en.wiktionary.org/wiki/stopgap