high treason

1. 1.

   a crime that undermines the offender's government

   Synonymstreasonlese majesty

   Broadercrime

Questions about high treason

What does high treason mean?

high treason means "a crime that undermines the offender's government".

What is another word for high treason?

Close synonyms include treason, lese majesty. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is high treason a common word?

high treason is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.