Relentless
Relentless adjective - Showing no signs of slackening or yielding in one's purpose.
Threatening and relentless are semantically related. In some cases you can use "Threatening" instead an adjective "Relentless".
Nearby Word: relentlessly
Threatening
Threatening adjective - Giving signs of immediate occurrence.
Relentless and threatening are semantically related. Sometimes you can use "Relentless" instead an adjective "Threatening".
Both words in one sentence
-
White Rose, the mysterious hacker and leader of The Dark Army, is a relentless Troll and threatening towards just about anyone who associates with her.
Source: Series / Mr. Robot -
In Relentless by Dean Koontz, Penny is furious about a man who's threatening her family.
Source: Less Disturbing in Context
Cite this Source
Threatening and Relentless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/relentless/threatening
Relentless & Threatening. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/relentless/threatening>.
Threatening or Relentless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/relentless/threatening.
Google Ngram Viewer shows how "relentless" and "threatening" have occurred on timeline