Groundless and Solid
Opposite meaning words
Groundless
Groundless adjective - Having no basis in reason or fact.
Usage example: fears of a strike proved groundless
Solid is an antonym for groundless.
Nearby Words: ground, groundlessness
Solid
Solid adjective - Based on sound reasoning or information.
Usage example: the only solid conclusion that the jury could have reached
Groundless is an antonym for solid.
Cite this Source
Solid and Groundless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/groundless/solid
Groundless & Solid. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/groundless/solid>.
Solid or Groundless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/groundless/solid.
Google Ngram Viewer shows how "groundless" and "solid" have occurred on timeline