Groundless and Nonvalid

Groundless

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

Nonvalid and groundless are semantically related. In some cases you can use "Nonvalid" instead an adjective "Groundless".

Nearby Words: ground, groundlessness

Nonvalid

Nonvalid adjective - Having no basis in reason or fact.
Usage example: a nonvalid theory that most scientists rejected long ago

Groundless and nonvalid are semantically related. You can use "Groundless" instead an adjective "Nonvalid".
Cite this Source
Nonvalid and Groundless. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/groundless/nonvalid
Groundless & Nonvalid. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/groundless/nonvalid>.
Nonvalid or Groundless. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/groundless/nonvalid.
Google Ngram Viewer shows how "groundless" and "nonvalid" have occurred on timeline