A last resort - Idioms by The Free Dictionary
a last resort
The only remaining option that may help one or be of any use after all other options have been exhausted. I didn't really want to ask Mr. Stadler to write my college recommendation, but he's my last resort at this point.
(as) a last reˈsort a thing you decide to do when everything else has failed: Nobody wanted to lend me the money. As a last resort I asked my brother-in-law, and luckily he was able to help me.
References in periodicals archive
Prevent the dreaded "urn's" and "er's" by jotting down a few things you can say as a last resort
Kapsimalis said seeking a contempt ruling against his children was a last resort
, an effort "to improvise a way to give me my rights.