Failed
Not functioning and failed are semantically related. In some cases you can use "Not functioning" instead an adjective "Failed".
Not functioning
Failed and not functioning are semantically related. Sometimes you can use "Failed" instead an adjective phrase "Not functioning".
Cite this Source
Not functioning and Failed. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/failed/not_functioning
Failed & Not functioning. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/failed/not_functioning>.
Not functioning or Failed. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/failed/not_functioning.
Google Ngram Viewer shows how "failed" and "not functioning" have occurred on timeline