Last Updated：2025/11/20

The crime of betraying one’s own country. / An act of treachery, betrayal of trust or confidence.

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treason

Source Word

treason

IPA(Pronunciation)

Noun

countable uncountable

The crime of betraying one’s own country. / An act of treachery, betrayal of trust or confidence.

Japanese Meaning

自国に対する裏切り行為、反逆罪 / 信頼や信任を裏切る行為

He was arrested and charged with treason after leaking classified documents.

彼は機密文書を漏えいした後、国家に対する裏切りの罪で逮捕され起訴されました。

Sense（1）

The crime of betraying one’s own country.

Treaſon doth never [pro]ſper: what's the reaſon? / For yf yt [pro]ſper none dare call yt treaſon

Sense（2）

An act of treachery, betrayal of trust or confidence.

treasons

（ plural ）