Relentless and Unquenchable

Relentless

Relentless adjective - Showing no signs of slackening or yielding in one's purpose.

Unquenchable and relentless are semantically related. In some cases you can use "Unquenchable" instead an adjective "Relentless".

Nearby Word: relentlessly

Unquenchable

Unquenchable adjective - Incapable of being satisfied.

Relentless and unquenchable are semantically related. Sometimes you can use "Relentless" instead an adjective "Unquenchable".
Cite this Source
Unquenchable and Relentless. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/relentless/unquenchable
Relentless & Unquenchable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/relentless/unquenchable>.
Unquenchable or Relentless. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/relentless/unquenchable.
Google Ngram Viewer shows how "relentless" and "unquenchable" have occurred on timeline