Challenging
Challenging adjective - Requiring considerable physical or mental effort.
Fearsome and challenging are semantically related. In some cases you can use "Fearsome" instead an adjective "Challenging".
Fearsome
Fearsome adjective - Causing fear.
Challenging and fearsome are semantically related. Sometimes you can use "Challenging" instead an adjective "Fearsome".
Mutual synonyms
Both words in one sentence
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On occasion, when the storyline dictated this, Hogan was on the reverse end of this, especially when a fearsome new heel wrestler was debuting and challenging Hogan in their first televised confrontation.
Source: Punch! Punch! Punch! Uh Oh...
Cite this Source
Fearsome and Challenging. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/challenging/fearsome
Challenging & Fearsome. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/challenging/fearsome>.
Fearsome or Challenging. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/challenging/fearsome.
Google Ngram Viewer shows how "challenging" and "fearsome" have occurred on timeline