Formidable and Testing

Formidable

Formidable adjective - Requiring considerable physical or mental effort.
Usage example: running a marathon is a formidable undertaking

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

Nearby Word: formidably

Testing

Testing adjective - Requiring considerable physical or mental effort.
Usage example: beginning rock climbers should choose a less testing route to the summit

Formidable and testing are semantically related. Sometimes you can use "Formidable" instead an adjective "Testing".

Nearby Words: test, tested, tester, testable, testability
Cite this Source
Testing and Formidable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/formidable/testing
Formidable & Testing. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/formidable/testing>.
Testing or Formidable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/formidable/testing.
Google Ngram Viewer shows how "formidable" and "testing" have occurred on timeline