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Word of the Day Tuesday, June 9, 2026

supposition

/səpˈzɛʃən/ noun · British & US
Valid in UKValid in US
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What does supposition mean?

noun

A theory or opinion formed on incomplete evidence and not necessarily true; an assumption or conjecture.

Example

"The doctor's supposition about the patient's illness was later proven to be incorrect."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for supposition

Antonyms of supposition

Rhymes with supposition

Etymologically related