incest

play
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

Recent Examples of incest from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'incest'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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

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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