Failing
Failing adjective - Below acceptable in performance.
Undeveloping and failing are semantically related. In some cases you can use "Undeveloping" instead an adjective "Failing".
Undeveloping
Failing and undeveloping are semantically related. You can use "Failing" instead an adjective "Undeveloping".
Mutual synonyms
Cite this Source
Undeveloping and Failing. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/failing/undeveloping
Failing & Undeveloping. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/failing/undeveloping>.
Undeveloping or Failing. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/failing/undeveloping.
Google Ngram Viewer shows how "failing" and "undeveloping" have occurred on timeline