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Murderer in Irish (Murdaróir): Meaning, Pronunciation, Usage

The Irish for murderer is murdaróir, a masculine noun (plural murdaróirí).
Updated October 2026Report a mistake

How to say “murderer” in Irish

Irish:
murdaróir
English:
murderer
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“MUR-dur-oh-ir”  /ˈmˠʊɾˠd̪ˠəɾˠoːɾʲ/
Various forms
Plural:
murdaróirí (murderers)
Genitive singular:
murdaróra, an mhurdaróra (e.g. ainm an mhurdaróra, the murderer's name)
Genitive plural:
murdaróirí, na murdaróirí (e.g. liosta na murdaróirí, the list of murderers)

What does “murdaróir” mean?

murderer
A person who unlawfully and deliberately kills another person.Also: killer, assassin.

Other Irish words for murderer: dúnmharfóir (murderer)

“Murdaróir” with the article

The plural of murderer in Irish is murdaróirí. Here is murdaróir after the article (an t-alt), in the singular and the plural.

an murdaróir
the murderer
No change after an
na murdaróirí
the murderers
Plural: no change after na

“Murdaróir” in a sentence: Irish examples

Common Irish sentences using murdaróir, the Irish word for murderer.

Gabhadh an murdaróir aréir.
The murderer was arrested last night.
Is murdaróir é, dar leis na gardaí.
He is a murderer, according to the guards.
Níor aimsíodh corp an mhurdaróra riamh.
The murderer's body was never found.
Cuireadh na murdaróirí go léir i bpríosún.
All the murderers were sent to prison.
Bhí an murdaróir i bhfolach sa choill.
The murderer was hiding in the wood.
Tá scannán nua faoi mhurdaróir sa phictiúrlann.
There's a new film about a murderer in the cinema.
Thug an finné cur síos ar an murdaróir.
The witness described the murderer.

Other nouns in Irish

More everyday Irish nouns to learn next.

Murderer in Irish: frequently asked questions

What is the Irish for murderer?

The Irish for murderer is murdaróir (pronounced “MUR-dur-oh-ir”). It’s a masculine noun and the plural is murdaróirí.

How do you pronounce murdaróir in Irish?

Murdaróir is said like “MUR-dur-oh-ir” (IPA /ˈmˠʊɾˠd̪ˠəɾˠoːɾʲ/).

What is the plural of murderer in Irish?

The plural of murdaróir is murdaróirí; with the article, na murdaróirí means “the murderers”. The genitive plural is murdaróirí, as in liosta na murdaróirí (the list of murderers).

Why does murdaróir change to mhurdaróir?

After words like mo (my) and do (your) the first letter is lenited: mo mhurdaróir. After ár (our) it stays ár murdaróir, because m does not take eclipsis.

What is the difference between murdaróir and dúnmharfóir?

Both mean murderer; dúnmharfóir is the more formal and legal term, while murdaróir is common in everyday speech.

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