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Invader in Irish (Ionróir): Meaning, Pronunciation, Usage

The Irish for invader is ionróir, a masculine noun (plural ionróirí).
Updated October 2026Report a mistake

How to say “invader” in Irish

Irish:
ionróir
English:
invader
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“UN-roh-ir”  /ˈʊnˠɾˠoːɾʲ/
Various forms
Plural:
ionróirí (invaders)
Genitive singular:
ionróra, an ionróra (e.g. arm an ionróra, the invader's army)
Genitive plural:
ionróirí, na n-ionróirí (e.g. teacht na n-ionróirí, the arrival of the invaders)

What does “ionróir” mean?

invader
A person or force that invades a country or place by force.Also: attacker, intruder.

“Ionróir” with the article

The plural of invader in Irish is ionróirí. Here is ionróir after the article (an t-alt), in the singular and the plural.

an t-ionróir
the invader
Masculine nouns take t before a vowel after an
na hionróirí
the invaders
Plural: na adds h before a vowel

“Ionróir” in a sentence: Irish examples

Common Irish sentences using ionróir, the Irish word for invader.

Tháinig ionróir thar an teorainn san oíche.
An invader came over the border in the night.
Throid na daoine go cróga in aghaidh an ionróra.
The people fought bravely against the invader.
Ruaigeadh na hionróirí as an tír faoi dheireadh.
The invaders were finally driven out of the country.
Bhí an t-ionróir láidir agus dea-armtha.
The invader was strong and well armed.
Dódh an baile ag ionróirí ón tuaisceart.
The town was burned by invaders from the north.
Scríobh sé leabhar faoi ionróirí na hÉireann.
He wrote a book about the invaders of Ireland.
Ní raibh fáilte ar bith roimh na hionróirí.
There was no welcome at all for the invaders.

Other nouns in Irish

More everyday Irish nouns to learn next.

Invader in Irish: frequently asked questions

What is the Irish for invader?

The Irish for invader is ionróir (pronounced “UN-roh-ir”). It’s a masculine noun and the plural is ionróirí.

How do you pronounce ionróir in Irish?

Ionróir is said like “UN-roh-ir” (IPA /ˈʊnˠɾˠoːɾʲ/).

What is the plural of invader in Irish?

The plural of ionróir is ionróirí; with the article, na hionróirí means “the invaders”. The genitive plural is ionróirí, as in teacht na n-ionróirí (the arrival of the invaders).

Why does ionróir sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-ionróir (the invader), a hionróir (her invader), a n-ionróir (their invader), na hionróirí (the invaders).

What is the word for the invasion itself?

The act of invading is 'ionradh', so an invader, 'ionróir', carries out an 'ionradh'.

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