Relentless
Relentless adjective - Showing no signs of slackening or yielding in one's purpose.
Tuneless and relentless are semantically related. In some cases you can use "Tuneless" instead an adjective "Relentless".
Nearby Word: relentlessly
Tuneless
Tuneless adjective - Not having a musical sound or pleasing tune.
Relentless and tuneless are semantically related. Sometimes you can use "Relentless" instead an adjective "Tuneless".
Cite this Source
Tuneless and Relentless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/relentless/tuneless
Relentless & Tuneless. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/relentless/tuneless>.
Tuneless or Relentless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/relentless/tuneless.
Google Ngram Viewer shows how "relentless" and "tuneless" have occurred on timeline