adjective
- Extremely impressive in strength or excellence.
- usage: "a formidable opponent"; "the challenge was formidable"; "had a formidable array of compositions to his credit"; "the formidable army of brains at the Prime Minister's disposal"
- Inspiring fear.
- usage: "the formidable prospect of major surgery"; "a tougher and more redoubtable adversary than the heel-clicking, jackbooted fanatic- G. H. Johnston; "something unnerving and prisonlike about high grey wall"
- synonyms: redoubtable, unnerving
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Formidable. Retrieved September 20, 2026, from http://smartdefine.org/formidable/definitions/1174405 |
| Chicago | WordNet. 2010. "Formidable" http://smartdefine.org/formidable/definitions/1174405 (accessed September 20, 2026). |
| Harvard | WordNet 2010, Formidable, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/formidable/definitions/1174405>. |
| MLA | WordNet. "Formidable" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/formidable/definitions/1174405> |