Silly
Unfounded
Unfounded adjective - Having no basis in reason or fact.
Usage example: the accusation proved to be unfounded
Silly and unfounded are semantically related. Sometimes you can use "Silly" instead an adjective "Unfounded".
Nearby Word: unfoundedly
Mutual synonyms
Related pairs
Cite this Source
Unfounded and Silly. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/silly/unfounded
Silly & Unfounded. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/silly/unfounded>.
Unfounded or Silly. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/silly/unfounded.
Google Ngram Viewer shows how "silly" and "unfounded" have occurred on timeline