HeyRua Get the app

Arsonist in Irish (Coirloisceoir): Meaning, Pronunciation, Usage

The Irish for arsonist is coirloisceoir, a masculine noun (plural coirloisceoirí).
Updated October 2026Report a mistake

How to say “arsonist” in Irish

Irish:
coirloisceoir
English:
arsonist
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“KIR-lish-kyohr”  /ˈkoɾʲl̪ˠɪʃcoːɾʲ/
Various forms
Plural:
coirloisceoirí (arsonists)
Genitive singular:
coirloisceora, an choirloisceora (e.g. ainm an choirloisceora, the arsonist's name)
Genitive plural:
coirloisceoirí, na gcoirloisceoirí (e.g. líon na gcoirloisceoirí, the number of arsonists)

What does “coirloisceoir” mean?

arsonist
A person who deliberately and criminally sets fire to property.Also: fire-raiser, incendiary, firebug.

“Coirloisceoir” with the article

The plural of arsonist in Irish is coirloisceoirí. Here is coirloisceoir after the article (an t-alt), in the singular and the plural.

an coirloisceoir
the arsonist
No change after an
na coirloisceoirí
the arsonists
Plural: no change after na

“Coirloisceoir” in a sentence: Irish examples

Common Irish sentences using coirloisceoir, the Irish word for arsonist.

Ghabh na gardaí coirloisceoir aréir.
The guards arrested an arsonist last night.
Dódh an scioból agus deirtear gur coirloisceoir a rinne é.
The barn was burned and they say an arsonist did it.
Cuireadh an coirloisceoir i bpríosún ar feadh cúig bliana.
The arsonist was jailed for five years.
Níor aimsíodh carr an choirloisceora fós.
The arsonist's car has not been found yet.
Bíonn coirloisceoirí gníomhach sa samhradh nuair a bhíonn an fraoch tirim.
Arsonists are active in summer when the heather is dry.
Tá na póilíní ag lorg na gcoirloisceoirí.
The police are looking for the arsonists.
Dúirt an breitheamh go raibh an coirloisceoir contúirteach.
The judge said the arsonist was dangerous.

Other nouns in Irish

More everyday Irish nouns to learn next.

Arsonist in Irish: frequently asked questions

What is the Irish for arsonist?

The Irish for arsonist is coirloisceoir (pronounced “KIR-lish-kyohr”). It’s a masculine noun and the plural is coirloisceoirí.

How do you pronounce coirloisceoir in Irish?

Coirloisceoir is said like “KIR-lish-kyohr” (IPA /ˈkoɾʲl̪ˠɪʃcoːɾʲ/).

What is the plural of arsonist in Irish?

The plural of coirloisceoir is coirloisceoirí; with the article, na coirloisceoirí means “the arsonists”. The genitive plural is coirloisceoirí, as in líon na gcoirloisceoirí (the number of arsonists).

Why does coirloisceoir change to choirloisceoir or gcoirloisceoir?

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

What is the word for the crime itself?

The crime of arson is 'coirloscadh', from 'coir' (crime) and 'loscadh' (burning); the person who commits it is a 'coirloisceoir'.

Learn Irish by
actually speaking it

Learn everyday Irish words like coirloisceoir through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen