Improper and Watertight

Opposite meaning words

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

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Watertight is an antonym for improper.

Nearby Word: improperly

Watertight adjective - Not allowing water to pass in or out.

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Improper is an antonym for watertight in accurate topic.

Cite this Source

Watertight and Improper. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/improper/watertight

Improper & Watertight. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/improper/watertight>.

Watertight or Improper. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/improper/watertight.

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