Definition of supposititiousnext
as in illegitimate
born to a father and mother who are not married entered the world as the supposititious son of a rich lord

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Recent Examples of Synonyms for supposititious
illegitimate
Adjective
  • After testing against other economic variables that may have contributed to higher costs, and comparing housing activity in high-fraud ZIP codes to low-fraud ones in the same county, the researchers found illegitimate PPP loans to be one of the core drivers of housing prices.
    Tristan Bove, Fortune, 29 May 2026
  • That does not automatically mean every lawsuit involving a president and an executive agency is illegitimate.
    Andrew Leahey, Forbes.com, 29 May 2026
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“Supposititious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposititious. Accessed 5 Jun. 2026.

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