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Word of the Day Tuesday, June 9, 2026

defeasible

/dɪˈfiːzɪbəl/ adjective · British & US
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What does defeasible mean?

adjective

A defeasible argument or claim is one that can be defeated or overturned by further evidence or reasoning. In logic, defeasible reasoning involves making inferences that are not necessarily certain but are based on probabilities or general rules.

Example

"The lawyer argued that the defendant's alibi was defeasible, as it relied on the testimony of a single witness with a questionable reputation."

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

Synonyms for defeasible

Antonyms of defeasible

Rhymes with defeasible

Etymologically related