Commonsense and Unfounded
Opposite meaning words
Commonsense
Commonsense adjective - Based on sound reasoning or information.
Usage example: the commonsense interpretation of this so-called mysterious sighting
Unfounded is an antonym for commonsense.
Unfounded
Unfounded adjective - Having no basis in reason or fact.
Usage example: the accusation proved to be unfounded
Commonsense is an antonym for unfounded.
Nearby Word: unfoundedly
Cite this Source
Unfounded and Commonsense. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/commonsense/unfounded
Commonsense & Unfounded. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/commonsense/unfounded>.
Unfounded or Commonsense. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/commonsense/unfounded.
Google Ngram Viewer shows how "commonsense" and "unfounded" have occurred on timeline