Impermanent and Surefire

Opposite meaning words

Impermanent adjective - Intended to last, continue, or serve for a limited time.

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Surefire is an antonym for impermanent.

Surefire adjective - Not likely to fail.

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Impermanent is an antonym for surefire in certain topic.

Cite this Source

Surefire and Impermanent. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/impermanent/surefire

Impermanent & Surefire. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/impermanent/surefire>.

Surefire or Impermanent. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/impermanent/surefire.

Google Ngram Viewer shows how "impermanent" and "surefire" have occurred on timeline