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Trespass in Irish (Treaspás): Meaning, Pronunciation, Usage

‘treaspás’ also means: transgression

The Irish for trespass is treaspás, a masculine noun.
Updated October 2026Report a mistake

How to say “trespass” in Irish

Irish:
treaspás
English:
trespass, transgression
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“TRAS-pawss”  /ˈtʲɾʲasˠpˠaːsˠ/
Various forms
Genitive singular:
treaspáis, an treaspáis (e.g. cás treaspáis, a trespass case)

What does “treaspás” mean?

“Treaspás” has two alternative meanings. The most common comes first.

trespass
The act of entering someone's land or property without permission, or a wrongful act against someone.Also: trespassing, unlawful entry, intrusion.
1 other meaning: transgression
2transgression
A sin or offence against a moral or religious law, as in older religious language.Also: sin, offence, wrongdoing.

“Treaspás” with the article

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

an treaspás
the trespass
No change after an

“Treaspás” in a sentence: Irish examples

Common Irish sentences using treaspás, the Irish word for trespass.

Is treaspás é dul isteach ar an talamh sin.
Going onto that land is trespass.
Cuireadh treaspás ina leith.
He was accused of trespass.
Ní cheadaítear treaspás ar an bhfeirm seo.
Trespassing is not allowed on this farm.
Tógadh cás treaspáis i gcoinne an fhir.
A trespass case was taken against the man.
Rinne siad treaspás ar mo pháirc arís.
They trespassed on my field again.
Tá fógra faoin treaspás ar an ngeata.
There is a notice about trespassing on the gate.
Bhí an feirmeoir crosta faoin treaspás.
The farmer was angry about the trespass.

Other nouns in Irish

More everyday Irish nouns to learn next.

Trespass in Irish: frequently asked questions

What is the Irish for trespass?

The Irish for trespass is treaspás (pronounced “TRAS-pawss”). It’s a masculine noun. Depending on context it can also mean transgression.

How do you pronounce treaspás in Irish?

Treaspás is said like “TRAS-pawss” (IPA /ˈtʲɾʲasˠpˠaːsˠ/).

Does treaspás have a plural?

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

Does treaspás have more than one meaning?

Yes. Treaspás can mean trespass or transgression, depending on context; the first is the most common.

Why does treaspás change to threaspás or dtreaspás?

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

Is there another Irish word for trespass?

Yes, 'foghail' is also used for trespass or marauding, while 'treaspás' is the usual legal term.

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