Indefatigable and Indifferent

Opposite meaning words

Indefatigable adjective - Showing no signs of weariness even after long hard effort.

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Indifferent is an antonym for indefatigable in untiring topic.

Indifferent adjective - Having or showing a lack of interest or concern.

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Indefatigable is an antonym for indifferent.

Cite this Source

Indifferent and Indefatigable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/indefatigable/indifferent

Indefatigable & Indifferent. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/indefatigable/indifferent>.

Indifferent or Indefatigable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/indefatigable/indifferent.

Google Ngram Viewer shows how "indefatigable" and "indifferent" have occurred on timeline