Improper and Unmistaken

Opposite meaning words

Improper adjective - Not appropriate for a particular occasion or situation.

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Unmistaken is an antonym for improper.

Nearby Word: improperly

Definitions of Improper not found.

Improper is an antonym for unmistaken in topics: accurate, conventional.

Cite this Source

Unmistaken and Improper. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/improper/unmistaken

Improper & Unmistaken. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/improper/unmistaken>.

Unmistaken or Improper. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/improper/unmistaken.

Google Ngram Viewer shows how "improper" and "unmistaken" have occurred on timeline