Indefatigable and Undeviating

Indefatigable

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

Undeviating and indefatigable are semantically related In some cases you can use "Undeviating" instead an adjective "Indefatigable".

Undeviating

Undeviating adjective - Not varying.

Indefatigable and undeviating are semantically related in persistent topic. Sometimes you can use "Indefatigable" instead an adjective "Undeviating".
Cite this Source
Undeviating and Indefatigable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/indefatigable/undeviating
Indefatigable & Undeviating. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/indefatigable/undeviating>.
Undeviating or Indefatigable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/indefatigable/undeviating.
Google Ngram Viewer shows how "indefatigable" and "undeviating" have occurred on timeline