Formidable
Formidable adjective - Causing fear.
Humourless and formidable are semantically related. In some cases you can use "Humourless" instead an adjective "Formidable".
Nearby Word: formidably
Humourless
Humourless adjective - Lacking humor.
Formidable and humourless are semantically related. Sometimes you can use "Formidable" instead an adjective "Humourless".
Cite this Source
Humourless and Formidable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/formidable/humourless
Formidable & Humourless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/formidable/humourless>.
Humourless or Formidable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/formidable/humourless.
Google Ngram Viewer shows how "formidable" and "humourless" have occurred on timeline