high treason



treason against the sovereign or state.

Origin of high treason

Middle English word dating back to 1350–1400
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for high treason

Historical Examples of high treason

  • In 1759, by an edict, they were declared guilty of high-treason, and expelled from Portugal.

  • I fancy that he was found guilty of high-treason, was he not?

    The Heir of Kilfinnan

    W.H.G. Kingston

  • If they had been guilty of high-treason, they should be duly arraigned.

  • John Garnet or himself had to pay the penalty of high-treason at Tyburn.


    G. J. Whyte-Melville

  • To be in prison at your age (you are little more than a lad), and that for high-treason!


    S. R. Crockett

British Dictionary definitions for high treason

high treason


an act of treason directly affecting a sovereign or state
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012