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Accuser in Irish (Cúisitheoir): Meaning, Pronunciation, Usage

‘cúisitheoir’ also means: prosecutor

The Irish for accuser is cúisitheoir, a masculine noun (plural cúisitheoirí).
Updated October 2026Report a mistake

How to say “accuser” in Irish

Irish:
cúisitheoir
English:
accuser, prosecutor
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“KOO-shih-hoh-ir”  /ˈkuːʃɪhoːɾʲ/
Various forms
Plural:
cúisitheoirí (accusers)
Genitive singular:
cúisitheora, an chúisitheora (e.g. fianaise an chúisitheora, the accuser's evidence)
Genitive plural:
cúisitheoirí, na gcúisitheoirí (e.g. ainmneacha na gcúisitheoirí, the names of the accusers)

What does “cúisitheoir” mean?

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

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

“Cúisitheoir” with the article

The plural of accuser in Irish is cúisitheoirí. Here is cúisitheoir after the article (an t-alt), in the singular and the plural.

an cúisitheoir
the accuser
No change after an
na cúisitheoirí
the accusers
Plural: no change after na

“Cúisitheoir” in a sentence: Irish examples

Common Irish sentences using cúisitheoir, the Irish word for accuser.

Labhair an cúisitheoir leis an mbreitheamh.
The prosecutor spoke to the judge.
Ní raibh an cúisitheoir sa chúirt inniu.
The accuser wasn't in court today.
Cheistigh an dlíodóir finné an chúisitheora.
The lawyer questioned the prosecutor's witness.
Bhí beirt chúisitheoirí ina coinne.
There were two accusers against her.
Is cúisitheoir maith í, a deir siad.
She's a good prosecutor, they say.
D'aithin sé a chúisitheoir ar an toirt.
He recognised his accuser immediately.
Níor chreid an giúiré na cúisitheoirí.
The jury didn't believe the accusers.

Other nouns in Irish

More everyday Irish nouns to learn next.

Accuser in Irish: frequently asked questions

What is the Irish for accuser?

The Irish for accuser is cúisitheoir (pronounced “KOO-shih-hoh-ir”). It’s a masculine noun and the plural is cúisitheoirí. Depending on context it can also mean prosecutor.

How do you pronounce cúisitheoir in Irish?

Cúisitheoir is said like “KOO-shih-hoh-ir” (IPA /ˈkuːʃɪhoːɾʲ/).

What is the plural of accuser in Irish?

The plural of cúisitheoir is cúisitheoirí; with the article, na cúisitheoirí means “the accusers”. The genitive plural is cúisitheoirí, as in ainmneacha na gcúisitheoirí (the names of the accusers).

Does cúisitheoir have more than one meaning?

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

Why does cúisitheoir change to chúisitheoir or gcúisitheoir?

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

What is the difference between 'cúisitheoir' and 'ionchúisitheoir'?

'Cúisitheoir' is anyone who accuses, while 'ionchúisitheoir' is the usual term for an official prosecutor, as in 'an Stiúrthóir Ionchúiseamh Poiblí'.

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