Backstop
Backstop noun - A precaution in case of an emergency.
Usage example: he acted as a backstop in case anything went wrong
Mutual synonyms
Cite this Source
Guard and Backstop. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/backstop/guard
Backstop & Guard. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/backstop/guard>.
Guard or Backstop. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/backstop/guard.
Google Ngram Viewer shows how "backstop" and "guard" have occurred on timeline