Ruthless
Ruthless adjective - Having or showing a lack of sympathy or tender feelings.
Untiring and ruthless are semantically related. In some cases you can use "Untiring" instead an adjective "Ruthless".
Nearby Words: ruthlessly, ruth
Untiring
Untiring adjective - Showing no signs of weariness even after long hard effort.
Ruthless and untiring are semantically related. Sometimes you can use "Ruthless" instead an adjective "Untiring".
Nearby Word: untiringly
Mutual synonyms
Cite this Source
Untiring and Ruthless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/ruthless/untiring
Ruthless & Untiring. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/ruthless/untiring>.
Untiring or Ruthless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/ruthless/untiring.
Google Ngram Viewer shows how "ruthless" and "untiring" have occurred on timeline