Troilism

//ˈtɹɔɪlɪz(ə)m// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The practice of two people having sex while a third person watches (and may or may not take part). uncountable

    "Troilism is primarily a male problem, but one case of a woman who watched her husband have intercourse with a young girl has been reported in the literature (Smith, 1976)."

  2. 2
    The practice of three people having sex, i.e. having threesomes. uncountable

    "Now if it's true, as I believe, that every woman has a bit of a lesbian streak, or at least curiosity, then it follows that the ideal way to satisfy it is with troilism — making love with two girls and a man. I've tried it myself and I know."

Synonyms

All synonyms
ménage à troisthreesome

Example

More examples

"Troilism is primarily a male problem, but one case of a woman who watched her husband have intercourse with a young girl has been reported in the literature (Smith, 1976)."

Related phrases

ménage à trois

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.