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