Defective and Infallible

Opposite meaning words

Defective adjective - Having a fault.

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Infallible is an antonym for defective.

Infallible adjective - Not being or likely to be wrong.

Usage example: a teacher with an infallible memory for names

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Defective is an antonym for infallible.

Nearby Words: infallibly, infallibility

Cite this Source

Infallible and Defective. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/defective/infallible

Defective & Infallible. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/defective/infallible>.

Infallible or Defective. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/defective/infallible.

Google Ngram Viewer shows how "defective" and "infallible" have occurred on timeline