High treason Meaning, Definition & Usage

  1. noun a crime that undermines the offender's government
    lese majesty; treason.

WordNet


Definitions
  1. treason against the sovereign or the state, the highest civil offense. See Treason. ✍ It is now sufficient to speak of high treason as treason simply, seeing that petty treason, as a distinct offense, has been abolished. Mozley & W.

Webster 1913