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adj

treasonous

adj
1
Amounting to or resembling treason; disloyal to one's country.
"The general's treasonous plot was uncovered before it could be carried out."

How to Use Treasonous

Learner’s notes

In plain EnglishTreasonous describes an act or plan that betrays one's country.

Common pairings
treasonous act treasonous plot
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The general's _____ plot was uncovered before it could be carried out.

Rhymes for treasonous

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Definitions: FreeDict original editorial