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

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for supposititious
illegitimate
Adjective
  • Outside the courthouse in Manhattan, small groups of supporters have denounced the trial as illegitimate.
    Antonio María Delgado, Miami Herald, 30 Mar. 2026
  • Beatdapp, a firm specializing in streaming fraud detection, estimates fraudulent music streams generate approximately $2 billion in diverted, illegitimate royalties every year.
    Kyle Eustice, VIBE.com, 30 Mar. 2026
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

Podcast

Cite this Entry

“Supposititious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposititious. Accessed 5 Apr. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster