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
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/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