False
Unfounded
Unfounded adjective - Having no basis in reason or fact.
Usage example: the accusation proved to be unfounded
False is a synonym for unfounded in incorrect topic. You can use "False" instead an adjective "Unfounded", if it concerns topics such as not based on fact.
Nearby Word: unfoundedly
Mutual synonyms
Both words in one sentence
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Knowing Zappa the Merriam-Webster English meaning of " a false or unfounded report or story; especially : a fabricated report" was probably intended as well.
Cite this Source
Unfounded and False. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/false/unfounded
False & Unfounded. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/false/unfounded>.
Unfounded or False. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/false/unfounded.
Google Ngram Viewer shows how "false" and "unfounded" have occurred on timeline