Conclusive and Groundless

Conclusive

Conclusive adjective - Having the power to persuade.
Usage example: a conclusive argument for allowing the students to put on a play of their own choosing

Groundless is an antonym for conclusive.

Groundless

Groundless adjective - Having no basis in reason or fact.

Conclusive is an antonym for groundless.

Nearby Words: ground, groundlessness
Cite this Source
Groundless and Conclusive. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/conclusive/groundless
Conclusive & Groundless. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/conclusive/groundless>.
Groundless or Conclusive. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/conclusive/groundless.
Google Ngram Viewer shows how "conclusive" and "groundless" have occurred on timeline