Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Unreliable and improper are semantically related. In some cases you can use "Unreliable" instead an adjective "Improper".
Nearby Word: improperly
Unreliable
Unreliable adjective - Not worthy of reliance or trust.
Improper and unreliable are semantically related. Sometimes you can use "Improper" instead an adjective "Unreliable".
Nearby Words: unreliability, unreliably
Mutual synonyms
Cite this Source
Unreliable and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/unreliable
Improper & Unreliable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/unreliable>.
Unreliable or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/unreliable.
Google Ngram Viewer shows how "improper" and "unreliable" have occurred on timeline