Groundless
Groundless adjective - Having no basis in reason or fact.
Uncertain and groundless are semantically related. In some cases you can use "Uncertain" instead an adjective "Groundless".
Nearby Words: ground, groundlessness
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Groundless and uncertain are semantically related. Sometimes you can use "Groundless" instead an adjective "Uncertain".
Nearby Words: uncertainty, uncertainly
Mutual synonyms
Cite this Source
Uncertain and Groundless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/groundless/uncertain
Groundless & Uncertain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/groundless/uncertain>.
Uncertain or Groundless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/groundless/uncertain.
Google Ngram Viewer shows how "groundless" and "uncertain" have occurred on timeline