Ungrounded and Valid
Opposite meaning words
Ungrounded
Valid
Valid adjective - According to the rules of logic.
Ungrounded is an antonym for valid.
Nearby Words: validity, validation
Cite this Source
Valid and Ungrounded. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/ungrounded/valid
Ungrounded & Valid. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/ungrounded/valid>.
Valid or Ungrounded. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/ungrounded/valid.
Google Ngram Viewer shows how "ungrounded" and "valid" have occurred on timeline