Relentless
Relentless adjective - Showing no signs of slackening or yielding in one's purpose.
Usage example: the team's offense was relentless in trying to score a touchdown
Tenacious is a synonym for relentless in continuous topic. In some cases you can use "Tenacious" instead an adjective "Relentless", when it comes to topics like unrelenting, unfaltering.
Nearby Word: relentlessly
Tenacious
Tenacious adjective - Continuing despite difficulties, opposition, or discouragement.
Usage example: a tenacious trainer, she adheres to her grueling swimming schedule no matter what
Relentless is a synonym for tenacious in strong topic. You can use "Relentless" instead an adjective "Tenacious", if it concerns topics such as unrelenting, persevering.
Nearby Words: tenacity, tenaciously
Mutual synonyms
Related pairs
- firm and relentless
- firm and tenacious
- resolute and relentless
- resolute and tenacious
- determined and relentless
- determined and tenacious
- inflexible and relentless
- inflexible and tenacious
- obstinate and relentless
- obstinate and tenacious
- stubborn and relentless
- stubborn and tenacious
- unyielding and relentless
- unyielding and tenacious
Both words in one sentence
- Tenacious, relentless, swarming; fighting an interstellar war with teeth and nails.
Source: Literature / Xeelee Sequence
Cite this Source
Tenacious and Relentless. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/relentless/tenacious
Relentless & Tenacious. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/relentless/tenacious>.
Tenacious or Relentless. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/relentless/tenacious.
Google Ngram Viewer shows how "relentless" and "tenacious" have occurred on timeline