Formidable
Formidable adjective - Causing fear.
Hard shell and formidable are semantically related. In some cases you can use "Hard shell" instead an adjective "Formidable".
Nearby Word: formidably
Hard shell
Formidable and hard shell are semantically related. Sometimes you can use "Formidable" instead an adjective phrase "Hard shell".
Cite this Source
Hard shell and Formidable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/formidable/hard_shell
Formidable & Hard shell. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/formidable/hard_shell>.
Hard shell or Formidable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/formidable/hard_shell.
Google Ngram Viewer shows how "formidable" and "hard shell" have occurred on timeline