Fail
Fail verb - To stop functioning.
Lack
Lack verb - Be without.
Common collocations
Both words in one sentence
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Griefer: Thankfully averted for the most part due to lack of friendly fire, missions with stealth having alternate ways of beating them should the stealth fail, and players having the ability to get cops to cuff themselves as a hostage should all the civilians get killed by the griefer.
Source: Video Game / PAYDAY: The Heist - These are often tacked onto Good Samaritan Laws which protects people who try to help, but fail to do so, make it worse by accident, or other such technicalities like lack of consent.
Source: Accomplice by Inaction -
Mr. Guppy of Bleak House WANTS to be a chessmaster, but his plains fail due to lack of opposition.
Cite this Source
Lack and Fail. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fail/lack
Fail & Lack. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fail/lack>.
Lack or Fail. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fail/lack.
Google Ngram Viewer shows how "fail" and "lack" have occurred on timeline