Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun high_treason
1 sense of high treason
Sense 1
treason, high treason, lese majesty -- (a crime that undermines the offender's government)
=> crime, offense, criminal offense, criminal offence, offence, law-breaking -- ((criminal law) an act punishable by law; usually considered an evil act; "a long record of crimes")