Formidable
Formidable adjective - Requiring considerable physical or mental effort.
Usage example: running a marathon is a formidable undertaking
Tricky and formidable are semantically related. In some cases you can use "Tricky" instead an adjective "Formidable".
Nearby Word: formidably
Tricky
Tricky adjective - Requiring exceptional skill or caution in performance or handling.
Formidable and tricky are semantically related. Sometimes you can use "Formidable" instead an adjective "Tricky".
Cite this Source
Tricky and Formidable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/formidable/tricky
Formidable & Tricky. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/formidable/tricky>.
Tricky or Formidable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/formidable/tricky.
Google Ngram Viewer shows how "formidable" and "tricky" have occurred on timeline