Standard Lemma guide

treason

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈtɹiː.zən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -iːzən
  • CMU ARPABET: T R IY1 Z AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The crime of betraying one’s own country.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: perfidiousness, perfidy, treacherousness, treachery

Antonyms: none provided

2

noun

Meaning 2

An act of treachery, betrayal of trust or confidence.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: betrayal, perfidiousness, perfidy, treachery, breach of promise, breach of trust, double-dealing, Judas kiss, prodition, Punic faith, stab in the back, swike, tergiversation, traitory, treacherousness, treason

Antonyms: none provided

3

noun

Meaning 3

an act of deliberate betrayal

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: treachery, betrayal, perfidy

Antonyms: none provided

Broader terms: dishonesty, knavery

Narrower terms: double cross, double-crossing, sellout

4

noun

Meaning 4

a crime that undermines the offender's government

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: high treason, lese majesty

Antonyms: none provided

Broader terms: crime, offense, criminal offense, criminal offence, offence, law-breaking

5

noun

Meaning 5

disloyalty by virtue of subversive behavior

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: subversiveness, traitorousness

Antonyms: none provided

Broader terms: disloyalty

Narrower terms: betrayal

History

Etymology

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.

Across languages

Translations

184 source translations are retained for this English entry.

  • Albanian: tradhti — crime of betraying one’s country
  • Arabic: خِيَانَة (ḵiyāna) — crime of betraying one’s country
  • Armenian: դավաճանություն (davačanutʻyun) — crime of betraying one’s country
  • Armenian: մատնություն (matnutʻyun) — crime of betraying one’s country
  • Azerbaijani: xəyanət — crime of betraying one’s country
  • Belarusian: здра́да (zdráda) — crime of betraying one’s country
  • Bengali: রাজদ্রোহ (rajdrōh) — crime of betraying one’s country
  • Bengali: খেয়ানত (kheẏanot) — crime of betraying one’s country
  • Bulgarian: измя́на (izmjána) — crime of betraying one’s country
  • Bulgarian: преда́телство (predátelstvo) — crime of betraying one’s country
  • Bulgarian: изда́йство (izdájstvo) — crime of betraying one’s country
  • Bulgarian: изда́йничество (izdájničestvo) — crime of betraying one’s country
  • Burmese: အတွင်းရန် (a.twang:ran) — crime of betraying one’s country
  • Catalan: traïció — crime of betraying one’s country
  • Cebuano: pagluib — crime of betraying one’s country
  • Cebuano: pagbudhi — crime of betraying one’s country
  • Chinese Mandarin: 背叛 (bèipàn) — crime of betraying one’s country
  • Chinese Mandarin: 叛國罪 /叛国罪 (pànguózuì) — crime of betraying one’s country
  • Chinese Mandarin: 叛國 /叛国 (pànguó) — crime of betraying one’s country
  • Chinese Mandarin: 出賣 /出卖 (chūmài) — crime of betraying one’s country
  • Czech: velezrada — crime of betraying one’s country
  • Czech: vlastizrada — crime of betraying one’s country
  • Czech: zrada — crime of betraying one’s country
  • Danish: forræderi — crime of betraying one’s country
  • Danish: landsforræderi — crime of betraying one’s country
  • Dutch: verraad — crime of betraying one’s country
  • Dutch: hoogverraad — crime of betraying one’s country
  • Dutch: landverraad — crime of betraying one’s country
  • Esperanto: perfido — crime of betraying one’s country
  • Estonian: reetmine — crime of betraying one’s country
  • Finnish: valtiopetos — crime of betraying one’s country
  • Finnish: maanpetos — crime of betraying one’s country
  • Finnish: petos — crime of betraying one’s country
  • Finnish: pettäminen — crime of betraying one’s country
  • French: trahison — crime of betraying one’s country
  • Galician: traizón — crime of betraying one’s country
  • Georgian: ღალატი (ɣalaṭi) — crime of betraying one’s country
  • German: Verrat — crime of betraying one’s country
  • German: Landesverrat — crime of betraying one’s country
  • Greek: προδοσία (prodosía) — crime of betraying one’s country
  • Ancient Greek: προδοσία (prodosía) — crime of betraying one’s country
  • Gujarati: રાજદ્રોહ (rājadroh) — crime of betraying one’s country
  • Hebrew: בְּגִידָה \ בגידה (bgidá) — crime of betraying one’s country
  • Hindi: विश्वासघात (viśvāsghāt) — crime of betraying one’s country
  • Hindi: राजद्रोह (rājadroh) — crime of betraying one’s country
  • Hindi: देशद्रोह (deśadroh) — crime of betraying one’s country
  • Hindi: राष्ट्रद्रोह (rāṣṭradroh) — crime of betraying one’s country
  • Hungarian: árulás — crime of betraying one’s country
  • Hungarian: hitszegés — crime of betraying one’s country
  • Icelandic: landráð — crime of betraying one’s country
  • Icelandic: svik — crime of betraying one’s country
  • Icelandic: föðurlandssvik — crime of betraying one’s country
  • Ido: trahizo — crime of betraying one’s country
  • Indonesian: pengkhianatan — crime of betraying one’s country
  • Indonesian: makar — crime of betraying one’s country
  • Irish: tréas — crime of betraying one’s country
  • Italian: tradimento — crime of betraying one’s country
  • Japanese: 反逆 (hangyaku) — crime of betraying one’s country
  • Japanese: 裏切り (uragiri) — crime of betraying one’s country
  • Japanese: 反逆罪 (hangyakuzai) — crime of betraying one’s country
  • Kalmyk: урвлт (urvlt) — crime of betraying one’s country
  • Kazakh: сатқындық (satqyndyq) — crime of betraying one’s country
  • Kazakh: опасыздық (opasyzdyq) — crime of betraying one’s country
  • Khmer: ការក្បត់ (kaa kbɑt) — crime of betraying one’s country
  • Korean: 배신 (baesin) — crime of betraying one’s country
  • Korean: 배반 (baeban) — crime of betraying one’s country
  • Korean: 반역죄 (banyeokjoe) — crime of betraying one’s country
  • Northern Kurdish: îxanet — crime of betraying one’s country
  • Northern Kurdish: xiyanet — crime of betraying one’s country
  • Kyrgyz: чыккынчылык (cıkkıncılık) — crime of betraying one’s country
  • Lao: ການຂາຽຊາດ (kān khāi sāt) — crime of betraying one’s country
  • Latin: prōditiō — crime of betraying one’s country
  • Latvian: nodevība — crime of betraying one’s country
  • Lithuanian: išdavystė — crime of betraying one’s country
  • Macedonian: предавство (predavstvo) — crime of betraying one’s country
  • Malay: pengkhianatan — crime of betraying one’s country
  • Malayalam: രാജ്യദ്രോഹം (rājyadrōhaṁ) — crime of betraying one’s country
  • Maltese: tradiment — crime of betraying one’s country
  • Māori: kaikaiwaiūtanga — crime of betraying one’s country
  • Māori: kaikaiwaiū — crime of betraying one’s country
  • Mongolian: урвалт (urvalt) — crime of betraying one’s country
  • Norman: trahison — crime of betraying one’s country
  • Norwegian Bokmål: landssvik — crime of betraying one’s country
  • Norwegian Bokmål: forræderi — crime of betraying one’s country
  • Norwegian Bokmål: landsforræderi — crime of betraying one’s country
  • Norwegian Bokmål: høyforræderi — crime of betraying one’s country
  • Norwegian Nynorsk: landssvik — crime of betraying one’s country
  • Norwegian Nynorsk: forræderi — crime of betraying one’s country
  • Norwegian Nynorsk: landsforræderi — crime of betraying one’s country
  • Pashto: خيانت (xyānat) — crime of betraying one’s country
  • Dari: خِیَانَت (xiyānat) — crime of betraying one’s country
  • Iranian Persian: خِیانَت (xiyânat) — crime of betraying one’s country
  • Iranian Persian: غَدَّاری (ġaddâri) — crime of betraying one’s country
  • Polish: zdrada — crime of betraying one’s country
  • Portuguese: traição — crime of betraying one’s country
  • Portuguese: crime de lesa-pátria — crime of betraying one’s country
  • Portuguese: lesa-pátria — crime of betraying one’s country
  • Romanian: trădare — crime of betraying one’s country
  • Russian: госуда́рственная изме́на (gosudárstvennaja izména) — crime of betraying one’s country
  • Russian: госизме́на (gosizména) — crime of betraying one’s country
  • Russian: преда́тельство (predátelʹstvo) — crime of betraying one’s country
  • Russian: изме́на (izména) — crime of betraying one’s country
  • Serbo-Croatian: и̏здаја — crime of betraying one’s country
  • Serbo-Croatian: ѝзда̄јство — crime of betraying one’s country
  • Serbo-Croatian: ȉzdaja — crime of betraying one’s country
  • Serbo-Croatian: ìzdājstvo — crime of betraying one’s country
  • Sicilian: tradimentu — crime of betraying one’s country
  • Slovak: zrada — crime of betraying one’s country
  • Slovak: vlastizrada — crime of betraying one’s country
  • Slovene: izdaja — crime of betraying one’s country
  • Slovene: izdajstvo — crime of betraying one’s country
  • Spanish: traición — crime of betraying one’s country
  • Spanish: traición a la patria — crime of betraying one’s country
  • Swedish: förräderi — crime of betraying one’s country
  • Swedish: landsförräderi — crime of betraying one’s country
  • Tajik: хиёнат (xiyonat) — crime of betraying one’s country
  • Tajik: хоинӣ (xoyini) — crime of betraying one’s country
  • Tajik: ғаддори (ġaddor-i) — crime of betraying one’s country
  • Tamil: துரோகம் (turōkam) — crime of betraying one’s country
  • Tatar: хыянәт (xıyänät) — crime of betraying one’s country
  • Telugu: ద్రోహం (drōhaṁ) — crime of betraying one’s country
  • Thai: การกบฏ (gaan-gà-bòt) — crime of betraying one’s country
  • Thai: การขายชาติ (gaan-kǎai-châat) — crime of betraying one’s country
  • Turkish: ihanet — crime of betraying one’s country
  • Turkish: hainlik — crime of betraying one’s country
  • Turkmen: haýynlyk — crime of betraying one’s country
  • Turkmen: dönüklik — crime of betraying one’s country
  • Ukrainian: зра́да (zráda) — crime of betraying one’s country
  • Ukrainian: держа́вна зра́да (deržávna zráda) — crime of betraying one’s country
  • Ukrainian: держзра́да (deržzráda) — crime of betraying one’s country
  • Urdu: غَدّاری (ġaddārī) — crime of betraying one’s country
  • Urdu: خِیانَت (xiyānat) — crime of betraying one’s country
  • Uyghur: ساتقۇنلۇق (satqunluq) — crime of betraying one’s country
  • Uzbek: xiyonat — crime of betraying one’s country
  • Uzbek: xoinlik — crime of betraying one’s country
  • Uzbek: sotqinlik — crime of betraying one’s country
  • Volapük: trät — crime of betraying one’s country
  • Welsh: brad — crime of betraying one’s country
  • Welsh: bradwriaeth — crime of betraying one’s country
  • Arabic: خِيَانَة (ḵiyāna) — providing aid and comfort to the enemy
  • Armenian: դավաճանություն (davačanutʻyun) — providing aid and comfort to the enemy
  • Armenian: մատնություն (matnutʻyun) — providing aid and comfort to the enemy
  • Bulgarian: измя́на (izmjána) — providing aid and comfort to the enemy
  • Bulgarian: преда́телство (predátelstvo) — providing aid and comfort to the enemy
  • Catalan: col·laboracionisme — providing aid and comfort to the enemy
  • Catalan: quintacolumnisme — providing aid and comfort to the enemy
  • Cebuano: pagbudhi — providing aid and comfort to the enemy
  • Chinese Mandarin: 背叛 (bèipàn) — providing aid and comfort to the enemy
  • Chinese Mandarin: 叛國罪 /叛国罪 (pànguózuì) — providing aid and comfort to the enemy
  • Chinese Mandarin: 叛國 /叛国 (pànguó) — providing aid and comfort to the enemy
  • Czech: kolaborace — providing aid and comfort to the enemy
  • Danish: kollaboration — providing aid and comfort to the enemy
  • Dutch: verraad — providing aid and comfort to the enemy
  • Finnish: maanpetos — providing aid and comfort to the enemy
  • Galician: traizón — providing aid and comfort to the enemy
  • Greek: προδοσία (prodosía) — providing aid and comfort to the enemy
  • Ancient Greek: προδοσία (prodosía) — providing aid and comfort to the enemy
  • Hindi: देशद्रोह (deśadroh) — providing aid and comfort to the enemy
  • Hindi: राष्ट्रद्रोह (rāṣṭradroh) — providing aid and comfort to the enemy
  • Italian: collaborazionismo — providing aid and comfort to the enemy
  • Italian: connivenza — providing aid and comfort to the enemy
  • Japanese: 裏切り (uragiri) — providing aid and comfort to the enemy
  • Korean: 배신 (baesin) — providing aid and comfort to the enemy
  • Macedonian: предавство (predavstvo) — providing aid and comfort to the enemy
  • Malayalam: ഒറ്റ് (oṟṟŭ) — providing aid and comfort to the enemy
  • Polish: kolaboracja — providing aid and comfort to the enemy
  • Portuguese: colaboração — providing aid and comfort to the enemy
  • Russian: изме́на (izména) — providing aid and comfort to the enemy
  • Russian: преда́тельство (predátelʹstvo) — providing aid and comfort to the enemy
  • Spanish: colaboración con el enemigo — providing aid and comfort to the enemy
  • Spanish: colaboracionismo — providing aid and comfort to the enemy
  • Swedish: förräderi — providing aid and comfort to the enemy
  • Bulgarian: измя́на (izmjána) — act of treachery
  • Bulgarian: преда́телство (predátelstvo) — act of treachery
  • Catalan: traïció — act of treachery
  • French: trahison — act of treachery
  • Galician: traizón — act of treachery
  • Hindi: द्रोह (droh) — act of treachery
  • Hindi: धोखा (dhokhā) — act of treachery
  • Russian: изме́на (izména) — act of treachery
  • Russian: преда́тельство (predátelʹstvo) — act of treachery
  • Spanish: traición — act of treachery
  • Welsh: bradychiad — act of treachery
  • Welsh: brad — act of treachery
Real reading context

treason in complete knowledge articles