adj · 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.
Received-Pronunciation:/ɪnˈsɛstjuəs/
Received-Pronunciation:/ɪnˈsɛst͡ʃuəs/
General-American:/ɪnˈsɛst͡ʃuəs/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:IH2 N S EH1 S CH W AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Pertaining to or engaging in incest.
Definition source: English Wiktionary via Wiktextract
Examples
If you engaged in an incestuous relationship with a family member, that would make you an inbreeder.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Characterized by mutual relationships that are intimate and exclusive to the detriment of outsiders.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adjective
Meaning 3
relating to or involving incest
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
adjective
Meaning 4
resembling incest as by excessive intimacy
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree English incest Proto-Indo-European *h3ed- Proto-Indo-European *-os Proto-Indo-European *h3édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Old French -usbor. Middle English -ous English -ous English incestuous From incest + -ous.
Across languages
Translations
21 source translations are retained for this English entry.
Belarusian:
кровазмяша́льны
(krovazmjašálʹny)
— pertaining to or engaging in incest
Catalan:
incestuós
— pertaining to or engaging in incest
Czech:
krvesmilný
— pertaining to or engaging in incest
Dutch:
incestueus
— pertaining to or engaging in incest
Finnish:
sukurutsainen
— pertaining to or engaging in incest
French:
incestueux
— pertaining to or engaging in incest
German:
inzestuös
— pertaining to or engaging in incest
Greek:
αιμομικτικός
(aimomiktikós)
— pertaining to or engaging in incest
Hungarian:
vérfertőző
— pertaining to or engaging in incest
Italian:
incestuoso
— pertaining to or engaging in incest
Italian:
incestuale
— pertaining to or engaging in incest
Latin:
incestus
— pertaining to or engaging in incest
Manx:
croiaghtagh
— pertaining to or engaging in incest
Polish:
kazirodczy
— pertaining to or engaging in incest
Portuguese:
incestuoso
— pertaining to or engaging in incest
Russian:
кровосмеси́тельный
(krovosmesítelʹnyj)
— pertaining to or engaging in incest
Russian:
инцестуо́зный
(incestuóznyj)
— pertaining to or engaging in incest
Spanish:
incestuoso
— pertaining to or engaging in incest
Swedish:
incestuös
— pertaining to or engaging in incest
Ukrainian:
кровозмі́сний
(krovozmísnyj)
— pertaining to or engaging in incest
Welsh:
llosgachol
— pertaining to or engaging in incest