Abstruse and Formidable

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Abstruse adjective - Difficult for one of ordinary knowledge or intelligence to understand.

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Formidable and abstruse are semantically related. In some cases you can use "Formidable" instead an adjective "Abstruse".

Nearby Word: abstrusity

Formidable adjective - Requiring considerable physical or mental effort.

Usage example: running a marathon is a formidable undertaking

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Abstruse and formidable are semantically related. Sometimes you can use "Abstruse" instead an adjective "Formidable".

Nearby Word: formidably

Cite this Source

Formidable and Abstruse. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/abstruse/formidable

Abstruse & Formidable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/abstruse/formidable>.

Formidable or Abstruse. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/abstruse/formidable.

Google Ngram Viewer shows how "abstruse" and "formidable" have occurred on timeline