Gruff
Gruff adjective - Harsh and dry in sound.
Relentless and gruff are semantically related. In some cases you can use "Relentless" instead an adjective "Gruff".
Nearby Word: gruffly
Relentless
Relentless adjective - Showing no signs of slackening or yielding in one's purpose.
Gruff and relentless are semantically related. Sometimes you can use "Gruff" instead an adjective "Relentless".
Nearby Word: relentlessly
Cite this Source
Relentless and Gruff. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/gruff/relentless
Gruff & Relentless. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/gruff/relentless>.
Relentless or Gruff. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/gruff/relentless.
Google Ngram Viewer shows how "gruff" and "relentless" have occurred on timeline