Standard Lemma guide

incestuous

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