Unrelenting and Untiring

Unrelenting

Unrelenting adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.

Untiring is a synonym for unrelenting in continuous topic. In some cases you can use "Untiring" instead the word "Unrelenting" as an adjective or a noun, when it comes to topics like assiduous.

Nearby Word: unrelentingly

Untiring

Untiring adjective - Showing no signs of weariness even after long hard effort.
Usage example: the detective's untiring investigation of the crime finally led to several arrests

Unrelenting is a synonym for untiring in continuous topic. Sometimes you can use "Unrelenting" instead the word "Untiring" as an adjective or a noun, if it concerns topics such as assiduous, tireless.

Nearby Word: untiringly
Cite this Source
Untiring and Unrelenting. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/unrelenting/untiring
Unrelenting & Untiring. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/unrelenting/untiring>.
Untiring or Unrelenting. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/unrelenting/untiring.
Google Ngram Viewer shows how "unrelenting" and "untiring" have occurred on timeline