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Definition of high treason noun from the Oxford Advanced Learner's Dictionary

high treason

noun
 
/ˌhaɪ ˈtriːzn/
 
/ˌhaɪ ˈtriːzn/
(also treason)
[uncountable]
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  1. the crime of doing something that could cause danger to your country, such as helping its enemies during a war
    • an act of high treason against the English crown
    Topics Crime and punishmentc2
See high treason in the Oxford Advanced American Dictionary
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trait
noun
 
 
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