Groundless
Groundless adjective - Having no basis in reason or fact.
Improper and groundless are semantically related. In some cases you can use "Improper" instead an adjective "Groundless".
Nearby Words: ground, groundlessness
Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Groundless and improper are semantically related. Sometimes you can use "Groundless" instead an adjective "Improper".
Nearby Word: improperly
Mutual synonyms
Cite this Source
Improper and Groundless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/groundless/improper
Groundless & Improper. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/groundless/improper>.
Improper or Groundless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/groundless/improper.
Google Ngram Viewer shows how "groundless" and "improper" have occurred on timeline