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Killing in Irish (Marú): Meaning, Pronunciation, Usage

‘marú’ also means: slaughter

The Irish for killing is marú, a masculine noun (plural maruithe). Ag marú is killing, from the verb maraigh.
Updated October 2026Report a mistake

How to say “killing” in Irish

Irish:
marú
English:
killing, slaughter
Word type:
noun (verbal noun)
Verbal noun of:
maraigh, to kill (ag marú, killing)
Gender:
masculine
Pronunciation:
“ma-ROO”  /mˠaˈɾˠuː/
Various forms
Plural:
maruithe
Genitive singular:
maraithe, an mharaithe (e.g. am an mharaithe, the time of the killing)
Genitive plural:
maruithe, na maruithe (e.g. líon na maruithe, the number of killings)

What does “marú” mean?

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

killing
The act of killing a person or animal; it is the verbal noun of the verb maraigh.Also: kill, slaying, death.
1 other meaning: slaughter
2slaughter
The killing of animals, especially livestock for meat.Also: slaughtering, butchering.

Other Irish words for killing: murdar (murder)

“Marú” as a verbal noun

After ag, marú means killing: it is the verbal noun of the verb maraigh (to kill). A noun that follows it goes into the genitive.

agat
+
marúverbal noun
=
ag marúkilling

“Marú” with the article

The plural of killing in Irish is maruithe. Here is marú after the article (an t-alt), in the singular and the plural.

an marú
the killing
No change after an
na maruithe
the killing (plural)
Plural: no change after na

“Marú” in a sentence: Irish examples

Common Irish sentences using marú, the Irish word for killing.

Bhí an marú sin uafásach ar fad.
That killing was absolutely horrific.
Ní raibh aon mharú i gceist.
There was no killing involved.
Tá na gardaí ag fiosrú an mharaithe.
The guards are investigating the killing.
Bhí go leor maruithe sa cheantar sin.
There were many killings in that area.
Bhí sé ag iarraidh an luch a mharú.
He was trying to kill the mouse.
Bhí marú na muc ar siúl ar an bhfeirm.
The pigs were being slaughtered on the farm.
Tá an teas seo do mo mharú.
This heat is killing me.

Other nouns in Irish

More everyday Irish nouns to learn next.

Killing in Irish: frequently asked questions

What is the Irish for killing?

The Irish for killing is marú (pronounced “ma-ROO”). It’s a masculine noun and the plural is maruithe. Depending on context it can also mean slaughter.

How do you pronounce marú in Irish?

Marú is said like “ma-ROO” (IPA /mˠaˈɾˠuː/).

What is the plural of killing in Irish?

The plural of marú is maruithe; with the article, it is na maruithe. The genitive plural is maruithe, as in líon na maruithe (the number of killings).

Does marú have more than one meaning?

Yes. Marú can mean killing or slaughter, depending on context; the first is the most common.

Why does marú change to mharú?

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

What is the difference between marú and dúnmharú?

Marú is any killing, of a person or an animal, while dúnmharú specifically means murder, an unlawful deliberate killing.

Can marú be used figuratively?

Yes, as in English: tá an tinneas cinn do mo mharú means 'the headache is killing me'.

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