Faulty
Faulty adjective - Having a fault.
Not functional and faulty are semantically related. In some cases you can use "Not functional" instead an adjective "Faulty".
Not functional
Faulty and not functional are semantically related. You can use "Faulty" instead an adjective phrase "Not functional".
Mutual synonyms
Cite this Source
Not functional and Faulty. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/faulty/not_functional
Faulty & Not functional. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/faulty/not_functional>.
Not functional or Faulty. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/faulty/not_functional.
Google Ngram Viewer shows how "faulty" and "not functional" have occurred on timeline