English Reference
noun

intercourse

n.
US /ˈɪnɝˌkɔɹs/ UK /ˌɪntəkˈɔːs/ in·ter·course UK spelling intercourses

  1. 01 B2 Upper Intermediate FormalTechnical Medicine

    the formal or medical name for sex.

    sexual contact between individuals, typically referring to coitus. Often used in medical, legal, or formal sociological contexts.

    Simple

    The doctor explained how the virus can be spread through sexual intercourse.

    In context

    The study examined the correlation between the frequency of sexual intercourse and overall cardiovascular health in middle-aged participants.

    Usage

    Usually uncountable, though 'an act of intercourse' is common in legal writing.

    Teacher's tip

    In modern daily English, this is the most common meaning. Using it to mean 'conversation' can lead to unintended humor or confusion.

    sexcoituscopulation
  2. 02 C1 Advanced FormalAcademic

    the exchange of ideas, conversation, or business between people or countries.

    social, commercial, or intellectual communication and dealings between individuals, groups, or nations.

    Simple

    The two islands had very little social intercourse because of the rough seas between them.

    In context

    The treaty was designed to encourage free commercial intercourse between the neighboring states after decades of closed borders.

    Usage

    Often followed by the preposition 'between' or 'with'.

    Teacher's tip

    This sense is common in 19th-century literature and modern academic history, but rare in casual speech.

She said she had had a medical condition that in the late 1980s had not been diagnosed and had made sexual intercourse difficult and painful for her.

The Guardian· 27 Aug 2026

In 1984, Berry-Dee was arrested and charged with having unlawful sexual intercourse with a girl under 13, but the case was dropped when the prosecution offered no evidence.

The Guardian· 15 Aug 2026

Various theories; see Wikipedia article.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated