Standard Lemma guide

incest

noun · verb · 4 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.

  • /ˈɪn.sɛst/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪnsɛst
  • CMU ARPABET: IH1 N S EH2 S T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Sexual relations between close relatives, especially immediate family members and sometimes first cousins, usually considered taboo.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Examples

  • Genetic problems caused by incest are thought to have plagued many royal families in the Middle Ages.

Meaning relationships

Synonyms: inbreeding

Antonyms: outbreeding

2

noun

Meaning 2

Romantic relationships between close relatives, also widely taboo.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To engage in incestuous sexual activities.

Definition source: English Wiktionary via Wiktextract

Usage: ambitransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

sexual intercourse between persons too closely related to marry (as between a parent and a child)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: unlawful carnal knowledge, criminal congress

History

Etymology

Learned borrowing from Latin incestus. Displaced Old English mǣġhǣmed (literally “relative-sex”). Doublet of inchaste.

Across languages

Translations

97 source translations are retained for this English entry.

  • Arabic: زِنَا مَحَارِم (zinā maḥārim) — sexual relations between close relatives
  • Arabic: سِفَاح الْقُرْبَى (sifāḥ al-qurbā) — sexual relations between close relatives
  • Armenian: արյունապղծություն (aryunapġcutʻyun) — sexual relations between close relatives
  • Asturian: incestu — sexual relations between close relatives
  • Azerbaijani: insest — sexual relations between close relatives
  • Basque: intzestu — sexual relations between close relatives
  • Belarusian: інцэ́ст (incést) — sexual relations between close relatives
  • Belarusian: кровазмяшэ́ння (krovazmjašénnja) — sexual relations between close relatives
  • Breton: gwadorged — sexual relations between close relatives
  • Bulgarian: кръвосмеше́ние (krǎvosmešénie) — sexual relations between close relatives
  • Catalan: incest — sexual relations between close relatives
  • Chinese Mandarin: 亂倫 /乱伦 (luànlún) — sexual relations between close relatives
  • Chinese Mandarin: 近親相姦 /近亲相奸 (jìnqīn xiāngjiān) — sexual relations between close relatives
  • Chinese Mandarin: 骨科 (gǔkē) — sexual relations between close relatives
  • Czech: incest — sexual relations between close relatives
  • Czech: krvesmilství — sexual relations between close relatives
  • Czech: krvesmilstvo — sexual relations between close relatives
  • Danish: incest — sexual relations between close relatives
  • Danish: blodskam — sexual relations between close relatives
  • Dutch: incest — sexual relations between close relatives
  • Dutch: bloedschande — sexual relations between close relatives
  • Esperanto: sangadulto — sexual relations between close relatives
  • Esperanto: incesto — sexual relations between close relatives
  • Estonian: intsest — sexual relations between close relatives
  • Faroese: blóðskemd — sexual relations between close relatives
  • Faroese: insest — sexual relations between close relatives
  • Finnish: insesti — sexual relations between close relatives
  • Finnish: sukurutsaus — sexual relations between close relatives
  • Finnish: sukurutsa — sexual relations between close relatives
  • Finnish: sukupuoliyhteys lähisukulaisten kesken — sexual relations between close relatives
  • French: inceste — sexual relations between close relatives
  • Old Frisian: swesbed — sexual relations between close relatives
  • Georgian: ინცესტი (incesṭi) — sexual relations between close relatives
  • German: Inzest — sexual relations between close relatives
  • Greek: αδελφομιξία (adelfomixía) — sexual relations between close relatives
  • Greek: αιμομιξία (aimomixía) — sexual relations between close relatives
  • Gujarati: ગૌત્રગમન (gautragaman) — sexual relations between close relatives
  • Hebrew: גִלוּי עֲרָיוֹת — sexual relations between close relatives
  • Hindi: अगम्यागमन (agamyāgman) — sexual relations between close relatives
  • Hindi: अगम्यगमन (agamyagman) — sexual relations between close relatives
  • Hindi: सगोत्रगमन (sagotragman) — sexual relations between close relatives
  • Hindi: अजाचार (ajācār) — sexual relations between close relatives
  • Hindi: कुड़ुमचोदी (kuṛumcodī) — sexual relations between close relatives
  • Hungarian: vérfertőzés — sexual relations between close relatives
  • Icelandic: sifjaspell — sexual relations between close relatives
  • Indonesian: hubungan sedarah — sexual relations between close relatives
  • Indonesian: inses — sexual relations between close relatives
  • Indonesian: hubungan sumbang — sexual relations between close relatives
  • Indonesian: hubungan sekerabat — sexual relations between close relatives
  • Irish: col — sexual relations between close relatives
  • Irish: ciorrú coil — sexual relations between close relatives
  • Irish: corbadh — sexual relations between close relatives
  • Italian: incesto — sexual relations between close relatives
  • Japanese: 近親相姦 (kinshin sōkan) — sexual relations between close relatives
  • Japanese: インセスト (insesuto) — sexual relations between close relatives
  • Kazakh: қан араласу (qan aralasu) — sexual relations between close relatives
  • Kazakh: инцест (insest) — sexual relations between close relatives
  • Kazakh: жатынына шабу (jatynyna şabu) — sexual relations between close relatives
  • Khmer: ទាស់មុខស្មន់ (toah muk smɑn) — sexual relations between close relatives
  • Korean: 근친상간 (geunchinsanggan) — sexual relations between close relatives
  • Laboya: hala — sexual relations between close relatives
  • Latvian: asinsgrēks — sexual relations between close relatives
  • Lithuanian: kraujomaiša — sexual relations between close relatives
  • Macedonian: и́нцест (íncest) — sexual relations between close relatives
  • Macedonian: родосквернавење (rodoskvernavenje) — sexual relations between close relatives
  • Malay: sumbang mahram — sexual relations between close relatives
  • Manx: croiaght — sexual relations between close relatives
  • Māori: kaiwhiore — sexual relations between close relatives
  • Māori: ngauwhiore — sexual relations between close relatives
  • Māori: irawaru — sexual relations between close relatives
  • Norwegian: incest — sexual relations between close relatives
  • Norwegian: blodskam — sexual relations between close relatives
  • Old English: mǣġhǣmed — sexual relations between close relatives
  • Persian: زنا با محارم (zenâ bâ mahârem) — sexual relations between close relatives
  • Polish: kazirodztwo — sexual relations between close relatives
  • Portuguese: incesto — sexual relations between close relatives
  • Romanian: incest — sexual relations between close relatives
  • Russian: инце́ст (incést) — sexual relations between close relatives
  • Russian: кровосмеше́ние (krovosmešénije) — sexual relations between close relatives
  • Scottish Gaelic: col — sexual relations between close relatives
  • Serbo-Croatian: ѝнцест — sexual relations between close relatives
  • Serbo-Croatian: родоскврну́ће — sexual relations between close relatives
  • Serbo-Croatian: ìncest — sexual relations between close relatives
  • Serbo-Croatian: rodoskvrnuće — sexual relations between close relatives
  • Slovak: incest — sexual relations between close relatives
  • Slovak: krvismilstvo — sexual relations between close relatives
  • Slovene: incest — sexual relations between close relatives
  • Spanish: incesto — sexual relations between close relatives
  • Swedish: incest — sexual relations between close relatives
  • Swedish: blodskam — sexual relations between close relatives
  • Tagalog: insesto — sexual relations between close relatives
  • Telugu: అగమ్యాగమనము (agamyāgamanamu) — sexual relations between close relatives
  • Turkish: ensest — sexual relations between close relatives
  • Ukrainian: інце́ст (incést) — sexual relations between close relatives
  • Ukrainian: кровозмі́шення (krovozmíšennja) — sexual relations between close relatives
  • Vietnamese: loạn luân — sexual relations between close relatives
  • Welsh: llosgach — sexual relations between close relatives