Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Overdue and improper are semantically related. In some cases you can use "Overdue" instead an adjective "Improper".
Nearby Word: improperly
Overdue
Overdue adjective - Going beyond a normal or acceptable limit in degree or amount.
Usage example: spends an overdue percentage of her income on beauty products and services
Mutual synonyms
Cite this Source
Overdue and Improper. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/improper/overdue
Improper & Overdue. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/improper/overdue>.
Overdue or Improper. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/improper/overdue.
Google Ngram Viewer shows how "improper" and "overdue" have occurred on timeline