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Word of the Day Tuesday, June 9, 2026

treasonous

/ˈtrɛz.ə.nəs/ adjective · British & US
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What does treasonous mean?

adjective

Disloyal to one's country or government; guilty of treason. Having a tendency to betray trust or loyalty.

Example

"The politician's treasonous actions were widely condemned by the public."

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

Synonyms for treasonous

Antonyms of treasonous

Rhymes with treasonous

Etymologically related