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English definition of “treasonable”


adjective     /ˈtriː.zən.ə.bl̩/ (also treasonous) formal
A treasonable act , crime , etc. is, or is considered to be, treason : a treasonable offence treasonable activities Disloyalty, betrayal and treasonLegal and illegal
(Definition of treasonable adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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