English version

high treason

From Longman Dictionary of Contemporary Englishhigh treasonˌhigh ˈtreason noun [uncountable] 🔊 🔊 SCLPthe crime of putting your country in great danger, for example by giving military secrets to the enemy
Examples from the Corpus
high treasonStone was arrested on a charge of high treason on 3 May 1794 and was taken to the Tower of London.Probably to the relief of the nationalists, he stood convicted of high treason at last.
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