Inadequate
Inadequate adjective - Not coming up to an expected measure or meeting a particular need.
Not proper and inadequate are semantically related. In some cases you can use "Not proper" instead an adjective "Inadequate".
Nearby Words: inadequacy, inadequately
Not proper
Inadequate and not proper are semantically related. Sometimes you can use "Inadequate" instead an adjective phrase "Not proper".
Mutual synonyms
Cite this Source
Not proper and Inadequate. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/inadequate/not_proper
Inadequate & Not proper. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/inadequate/not_proper>.
Not proper or Inadequate. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/inadequate/not_proper.
Google Ngram Viewer shows how "inadequate" and "not proper" have occurred on timeline