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Sexual intercourse in Irish (Comhriachtain): Meaning, Pronunciation, Usage

The Irish for sexual intercourse is comhriachtain, a feminine noun.
Updated October 2026Report a mistake

How to say “sexual intercourse” in Irish

Irish:
comhriachtain
English:
sexual intercourse
Word type:
noun
Gender:
feminine, third declension
Pronunciation:
“KOH-ree-akh-tin”  /ˈkoːɾʲiəxt̪ˠənʲ/
Various forms
Genitive singular:
comhriachtana, na comhriachtana (e.g. tar éis na comhriachtana, after intercourse)

What does “comhriachtain” mean?

sexual intercourse
Sexual union between two people; a formal or technical word for having sex.Also: coitus, copulation, intercourse, sex.

“Comhriachtain” with the article

Here is comhriachtain after the article (an t-alt).

an chomhriachtain
the sexual intercourse
Lenition: c becomes ch after an (feminine noun)

“Comhriachtain” in a sentence: Irish examples

Common Irish sentences using comhriachtain, the Irish word for sexual intercourse.

Is focal foirmiúil é comhriachtain.
Comhriachtain is a formal word.
Labhair an dochtúir faoin gcomhriachtain go hoscailte.
The doctor spoke openly about intercourse.
Is féidir galair a scaipeadh trí chomhriachtain.
Diseases can be spread through intercourse.
Pléitear an chomhriachtain i ranganna bitheolaíochta.
Intercourse is discussed in biology classes.
Bhí pian uirthi tar éis na comhriachtana.
She had pain after intercourse.
Ní raibh comhriachtain ann roimh an bpósadh.
There was no intercourse before the marriage.
Úsáidtear coiscín le linn comhriachtana.
A condom is used during intercourse.

Other nouns in Irish

More everyday Irish nouns to learn next.

Sexual intercourse in Irish: frequently asked questions

What is the Irish for sexual intercourse?

The Irish for sexual intercourse is comhriachtain (pronounced “KOH-ree-akh-tin”). It’s a feminine noun.

How do you pronounce comhriachtain in Irish?

Comhriachtain is said like “KOH-ree-akh-tin” (IPA /ˈkoːɾʲiəxt̪ˠənʲ/).

Does comhriachtain have a plural?

No plural form is given for comhriachtain in the standard. Many abstract and mass nouns in Irish have no plural.

Why does comhriachtain change to chomhriachtain or gcomhriachtain?

Irish changes the start of some words after certain words. After mo (my) comhriachtain becomes mo chomhriachtain (lenition), and after ár (our) or i (in) it becomes ár gcomhriachtain (eclipsis).

Is comhriachtain the everyday word for sex?

No, comhriachtain is formal or technical; in ordinary speech gnéas is more usual.

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