Improper and Thankworthy
Opposite meaning words
Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Thankworthy is an antonym for improper.
Nearby Word: improperly
Thankworthy
Cite this Source
Thankworthy and Improper. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/improper/thankworthy
Improper & Thankworthy. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/improper/thankworthy>.
Thankworthy or Improper. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/improper/thankworthy.
Google Ngram Viewer shows how "improper" and "thankworthy" have occurred on timeline