SUPPOSITIONAL Synonyms: 50 Similar and Opposite Words

suppositional

adjective

Definition of suppositional

as in hypothetical

existing only as an assumption or speculation concepts regarding the origin and structure of the universe must perforce be suppositional

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Recent Examples of Synonyms for suppositional

Adjective

Washington Examiner columnist Joe Concha blasted former first lady Michelle Obama’s podcast, IMO with Michelle Obama and Craig Robinson, after a segment discussing hypothetical scenarios of men getting pregnant.

— Mackenzie Chase, The Washington Examiner, 4 Oct. 2026
In other words, Curtis’ hypothetical hinged on a somewhat ludicrous notion, which is to say if ESPN chose to revisit that botched experiment, McAfee would be the guy to take on the role as comic foil.

— Anthony Crupi, Sportico.com, 2 Oct. 2026

Definition of hypothetical

Adjective

Under the concept True Dystopic, the #LINK Vertical program brings together auteur documentary and genre cinema, using real locations in Rio de Janeiro as settings for imagining speculative futures.

— Rafa Sales Ross, Variety, 6 Oct. 2026
The governor, who is up for reelection in November, said speculative proposals to build data centers had swamped Pennsylvania.

— Salena Zito, Washington Post, 6 Oct. 2026

Definition of speculative

Adjective

The dizzying evolution of AI picks up speed when Ilya gets Sam worked up about next-level AGI, or Artificial General Intelligence, theoretical technology with human-level cognitive capabilities.

— David Rooney, HollywoodReporter, 6 Oct. 2026
Each resolves or makes substantial progress on a major open question in mathematics or theoretical computer science, the company says.

— Joseph Howlett, Scientific American, 6 Oct. 2026

Definition of theoretical

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supposition

suppositional

suppositions

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“Suppositional.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/suppositional. Accessed 9 Oct. 2026.

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Synonyms of suppositional

adjective

Example Sentences

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