stopgap

/ˈstäp-ˌgap/

noun

  1. something that serves as a temporary expedient : makeshift

stopgap measures

resource resort expedient shift makeshift stopgap mean something one turns to in the absence of the usual means or source of supply. resource and resort apply to anything one falls back upon. expedient may apply to any device or contrivance used when the usual one is not at hand or not possible.