Deficient
Deficient adjective - Falling short of a standard.
Usage example: woefully deficient eyesight kept him out of military service
Horrendous and deficient are semantically related. In some cases you can use "Horrendous" instead an adjective "Deficient".
Horrendous
Horrendous adjective - Causing fear.
Deficient and horrendous are semantically related. Sometimes you can use "Deficient" instead an adjective "Horrendous".
Mutual synonyms
Cite this Source
Horrendous and Deficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deficient/horrendous
Deficient & Horrendous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deficient/horrendous>.
Horrendous or Deficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deficient/horrendous.
Google Ngram Viewer shows how "deficient" and "horrendous" have occurred on timeline