incest

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noun in·cest \ˈin-ˌsest\

Definition of incest

  1. :  sexual intercourse between persons so closely related that they are forbidden by law to marry; also :  the statutory crime of such a relationship

Origin and Etymology of incest

Middle English, from Latin incestus sexual impurity, from incestus impure, from in- + castus pure — more at caste


First Known Use: 13th century


INCEST Defined for English Language Learners

incest

play
noun in·cest \ˈin-ˌsest\

Definition of incest for English Language Learners

  • : sexual intercourse between people who are very closely related


Medical Dictionary

incest

play
noun in·cest \ˈin-ˌsest\

Medical Definition of incest

  1. :  sexual intercourse between persons so closely related that they are forbidden by law to marry; also :  the statutory crime of engaging in such sexual intercourse


Law Dictionary

incest

play
noun in·cest \ˈin-ˌsest\

Legal Definition of incest

  1. :  sexual intercourse between persons so closely related that they are forbidden by law to marry; also :  the crime of engaging in such sexual intercourse

Origin and Etymology of incest

Latin incestus sexual impurity, from incestus impure, from in- not + castus pure



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