noun trea·son \ˈtrē-zən\

: the crime of trying to overthrow your country's government or of helping your country's enemies during war

Full Definition of TREASON

:  the betrayal of a trust :  treachery
:  the offense of attempting by overt acts to overthrow the government of the state to which the offender owes allegiance or to kill or personally injure the sovereign or the sovereign's family

Examples of TREASON

  1. He is guilty of treason.
  2. <reading a friend's diary without permission would have to be regarded as the ultimate act of personal treason>

Origin of TREASON

Middle English tresoun, from Anglo-French traisun, from Latin tradition-, traditio act of handing over, from tradere to hand over, betray — more at traitor
First Known Use: 13th century

Rhymes with TREASON

TREASON Defined for Kids


noun trea·son \ˈtrē-zən\

Definition of TREASON for Kids

:  the crime of trying or helping to overthrow the government of the criminal's own country or cause its defeat in war


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