Groundless and Plausible

Groundless

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

Plausible is an antonym for groundless.

Nearby Words: ground, groundlessness

Plausible

Plausible adjective - Worthy of being accepted as true or reasonable.

Groundless is an antonym for plausible.

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