Meaning & use

treason

noun·Advancedlegal

Last updated

UK/ˈtriːzn/
US/ˈtriːzn/

Meanings

  1. noununcountable

    The crime of betraying your own country, for example by helping its enemies or trying to overthrow its government.

    Grammar: No an or plural: charged with treason.

    Patterns

    • commit treason
    • charge someone with treason
    • treason against something

    He was charged with treason for passing secrets to a foreign power.

    In some countries, treason was once punished by death.

    The general was accused of treason against the crown.

  2. noununcountablefigurative

    Any serious betrayal of a person or cause you owed loyalty to.

    Grammar: Figurative and more emotional: it was treason to leave the group.

    Patterns

    • treason to something

    Changing teams felt like treason to his old friends.

    To the old guard, speaking to the press was treason.

    She called his silence an act of treason against the family.

Common combinations

high treason
He was tried for high treason.
charged with treason
The officer was charged with treason.
commit treason
Helping the enemy army would commit treason.
convicted of treason
She was convicted of treason and imprisoned.
an act of treason
Leaking the plans was an act of treason.

Synonyms and how they differ

betrayal
Betrayal is the general word for breaking trust, while treason is a specific serious crime against the state.
sedition
Sedition means stirring up rebellion by words or actions, and it is usually a lesser offense than treason.
disloyalty
Disloyalty is a quality or a lapse, and it is not a crime, whereas treason is.
perfidy
Perfidy is a literary word for treacherous faithlessness, and it lacks the legal meaning of treason.

Opposites

Word family

treasonous adjective
involving or amounting to treason
treasonable adjective
formal: constituting treason
traitor noun
a person who commits treason
treacherous adjective
likely to betray, or dangerous

Commonly confused: treason or reason? treason or sedition?

treason vs reason

Treason is a crime of betrayal, while reason is a cause or the ability to think; they differ by one letter.

treason vs sedition

Sedition is encouraging opposition to the government without necessarily helping an enemy, while treason is a deeper betrayal of the state.

Practice

The minister was arrested and charged with ___ after selling military secrets to another country.

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