Confirmed and Groundless

Confirmed

Confirmed adjective - Being such by habit and not likely to change.

Groundless is an antonym for confirmed.

Groundless

Groundless adjective - Having no basis in reason or fact.
Usage example: fears of a strike proved groundless

Confirmed is an antonym for groundless.

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