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Prosecutor in Irish (Cúiseoir): Meaning, Pronunciation, Usage

‘cúiseoir’ also means: accuser

The Irish for prosecutor is cúiseoir, a masculine noun (plural cúiseoirí).
Updated October 2026Report a mistake

How to say “prosecutor” in Irish

Irish:
cúiseoir
English:
prosecutor, accuser
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“KOO-shor”  /ˈkuːʃoːɾʲ/
Various forms
Plural:
cúiseoirí (prosecutors)
Genitive singular:
cúiseora, an chúiseora (e.g. ráiteas an chúiseora, the prosecutor's statement)
Genitive plural:
cúiseoirí, na gcúiseoirí (e.g. oifig na gcúiseoirí, the prosecutors' office)

What does “cúiseoir” mean?

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

prosecutor
A person or official who brings a criminal charge against someone in court.Also: accuser, prosecuting counsel, public prosecutor.
1 other meaning: accuser
2accuser
A person who accuses someone of something.Also: complainant.

“Cúiseoir” with the article

The plural of prosecutor in Irish is cúiseoirí. Here is cúiseoir after the article (an t-alt), in the singular and the plural.

an cúiseoir
the prosecutor
No change after an
na cúiseoirí
the prosecutors
Plural: no change after na

“Cúiseoir” in a sentence: Irish examples

Common Irish sentences using cúiseoir, the Irish word for prosecutor.

Labhair an cúiseoir leis an ngiúiré ar maidin.
The prosecutor spoke to the jury this morning.
Is cúiseoir í a deirfiúr i mBaile Átha Cliath.
Her sister is a prosecutor in Dublin.
Níor ghlac an breitheamh le hargóint an chúiseora.
The judge did not accept the prosecutor's argument.
Bhí beirt chúiseoirí ag obair ar an gcás.
Two prosecutors were working on the case.
Cheistigh an cúiseoir an finné go géar.
The prosecutor questioned the witness sharply.
Tá na cúiseoirí ag iarraidh tuilleadh fianaise.
The prosecutors want more evidence.
Ba é a chúiseoir féin a chomharsa.
His own accuser was his neighbour.

Other nouns in Irish

More everyday Irish nouns to learn next.

Prosecutor in Irish: frequently asked questions

What is the Irish for prosecutor?

The Irish for prosecutor is cúiseoir (pronounced “KOO-shor”). It’s a masculine noun and the plural is cúiseoirí. Depending on context it can also mean accuser.

How do you pronounce cúiseoir in Irish?

Cúiseoir is said like “KOO-shor” (IPA /ˈkuːʃoːɾʲ/).

What is the plural of prosecutor in Irish?

The plural of cúiseoir is cúiseoirí; with the article, na cúiseoirí means “the prosecutors”. The genitive plural is cúiseoirí, as in oifig na gcúiseoirí (the prosecutors' office).

Does cúiseoir have more than one meaning?

Yes. Cúiseoir can mean prosecutor or accuser, depending on context; the first is the most common.

Why does cúiseoir change to chúiseoir or gcúiseoir?

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

How is 'cúiseoir' different from 'cúisí'?

The 'cúiseoir' is the one who brings the charge, while the 'cúisí' is the accused person. Both come from 'cúis', a cause or charge.

What is the Director of Public Prosecutions called in Irish?

The office is 'an Stiúrthóir Ionchúiseamh Poiblí', using 'ionchúiseamh' (prosecution), which is related to 'cúiseoir'.

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