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incest

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noun in·cest \ˈin-ˌsest\

Simple Definition of incest

  • : sexual intercourse between people who are very closely related

Source: Merriam-Webster's Learner's Dictionary

Full 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


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 of incest

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



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