treason

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treason

  • /ˈtɹiː.zən/

Rhymes with -iːzən

Where it comes from

From Middle English tresoun, treison, from Anglo-Norman treson, from Old French traïson (“treason”), from trair, or from Latin trāditiō (“a giving up, handing over, surrender, delivery, tradition”), from trādō (“give up, hand over, deliver over, betray”, verb), from trāns- (“over, across”) + dō (“give”). Doublet of tradition and traitor; also related to betray.

noun treasons

  1. countable, uncountable 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

    Similar: perfidiousness, perfidy, treacherousness, treachery

  2. countable, uncountable An act of treachery, betrayal of trust or confidence.

    Similar: betrayal, perfidiousness, perfidy, treachery, breach of promise, breach of trust, double-dealing, Judas kiss, prodition, Punic faith, stab in the back, swike

Thesaurus

Closest in meaning: high treason, traitorousness, betrayal, treachery, perfidy, lese majesty, subversiveness, perduellion, traitor, betray, rebel, rebellious, rebellion, deception, deceit, felony

Translations

Every language

noun crime of betraying one’s country

Españoltraición, traición a la patria
한국어배신 baesin, 배반 baeban, 반역죄 banyeokjoe
日本語反逆 hangyaku, 裏切り uragiri, 反逆罪 hangyakuzai
中文背叛 bèipàn, 叛國罪 /叛国罪 pànguózuì, 叛國 /叛国 pànguó, 出賣 /出卖 chūmài
हिन्दीविश्वासघात viśvāsghāt, राजद्रोह rājadroh, देशद्रोह deśadroh, राष्ट्रद्रोह rāṣṭradroh
Portuguêstraição, crime de lesa-pátria, lesa-pátria
Françaistrahison
DeutschVerrat, Landesverrat
Italianotradimento
Ελληνικάπροδοσία prodosía
Românătrădare
Русскийгосуда́рственная изме́на gosudárstvennaja izména, госизме́на gosizména, преда́тельство predátelʹstvo, изме́на izména
العربيةخِيَانَة ḵiyāna
עבריתבְּגִידָה \ בגידה bgidá

noun providing aid and comfort to the enemy

Españolcolaboración con el enemigo, colaboracionismo
한국어배신 baesin
日本語裏切り uragiri
中文背叛 bèipàn, 叛國罪 /叛国罪 pànguózuì, 叛國 /叛国 pànguó
हिन्दीदेशद्रोह deśadroh, राष्ट्रद्रोह rāṣṭradroh
Portuguêscolaboração
Italianocollaborazionismo, connivenza
Ελληνικάπροδοσία prodosía
Русскийизме́на izména, преда́тельство predátelʹstvo
العربيةخِيَانَة ḵiyāna

noun act of treachery

Españoltraición
हिन्दीद्रोह droh, धोखा dhokhā
Françaistrahison
Русскийизме́на izména, преда́тельство predátelʹstvo

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MLA

"treason." Wiktionary, via Micwyn, micwyn.com/word/treason. Accessed 6 Nov. 2026.

APA

treason. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/treason

Chicago

"treason." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/treason.

BibTeX
@misc{treason_2026,
  title = {treason},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/treason},
  urldate = {2026-11-06}
}