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To prosecute in Irish (ionchúisigh): Meaning, Conjugation, Examples

The Irish for to prosecute is ionchúisigh; ag ionchúiseamh is prosecuting.
Updated October 2026Report a mistake

How to say “to prosecute” in Irish

Irish:
ionchúisigh
English:
to prosecute
Word type:
verb, second-conjugation
Verbal noun:
ionchúiseamh (ag ionchúiseamh, prosecuting)
Verbal adjective:
ionchúisithe
Pronunciation:
“UN-khoo-shee”  /ˈʊnˠxuːʃiː/

What does “ionchúisigh” mean?

to prosecute
To bring legal charges against someone in a court of law.Also: bring charges against, take to court, charge.

“Ionchúisigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)D'ionchúisigh méI prosecutedNíor ionchúisigh méI did not prosecuteAr ionchúisigh mé?Did I prosecute?
tú (you)D'ionchúisigh túYou prosecutedNíor ionchúisigh túYou did not prosecuteAr ionchúisigh tú?Did you prosecute?
sé / sí (he / she)D'ionchúisigh sé / síHe prosecutedNíor ionchúisigh sé / síHe did not prosecuteAr ionchúisigh sé / sí?Did he prosecute?
sinn (we)D'ionchúisíomarWe prosecutedNíor ionchúisíomarWe did not prosecuteAr ionchúisíomar?Did we prosecute?
sibh (you, plural)D'ionchúisigh sibhYou prosecutedNíor ionchúisigh sibhYou did not prosecuteAr ionchúisigh sibh?Did you prosecute?
siad (they)D'ionchúisigh siadThey prosecutedNíor ionchúisigh siadThey did not prosecuteAr ionchúisigh siad?Did they prosecute?
saorbhriathar (autonomous)IonchúisíodhNíor ionchúisíodhAr ionchúisíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)IonchúisímI prosecuteNí ionchúisímI do not prosecuteAn ionchúisím?Do I prosecute?
tú (you)Ionchúisíonn túYou prosecuteNí ionchúisíonn túYou do not prosecuteAn ionchúisíonn tú?Do you prosecute?
sé / sí (he / she)Ionchúisíonn sé / síHe prosecutesNí ionchúisíonn sé / síHe does not prosecuteAn ionchúisíonn sé / sí?Does he prosecute?
sinn (we)IonchúisímidWe prosecuteNí ionchúisímidWe do not prosecuteAn ionchúisímid?Do we prosecute?
sibh (you, plural)Ionchúisíonn sibhYou prosecuteNí ionchúisíonn sibhYou do not prosecuteAn ionchúisíonn sibh?Do you prosecute?
siad (they)Ionchúisíonn siadThey prosecuteNí ionchúisíonn siadThey do not prosecuteAn ionchúisíonn siad?Do they prosecute?
saorbhriathar (autonomous)IonchúisítearNí ionchúisítearAn ionchúisítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Ionchúiseoidh méI will prosecuteNí ionchúiseoidh méI will not prosecuteAn ionchúiseoidh mé?Will I prosecute?
tú (you)Ionchúiseoidh túYou will prosecuteNí ionchúiseoidh túYou will not prosecuteAn ionchúiseoidh tú?Will you prosecute?
sé / sí (he / she)Ionchúiseoidh sé / síHe will prosecuteNí ionchúiseoidh sé / síHe will not prosecuteAn ionchúiseoidh sé / sí?Will he prosecute?
sinn (we)IonchúiseoimidWe will prosecuteNí ionchúiseoimidWe will not prosecuteAn ionchúiseoimid?Will we prosecute?
sibh (you, plural)Ionchúiseoidh sibhYou will prosecuteNí ionchúiseoidh sibhYou will not prosecuteAn ionchúiseoidh sibh?Will you prosecute?
siad (they)Ionchúiseoidh siadThey will prosecuteNí ionchúiseoidh siadThey will not prosecuteAn ionchúiseoidh siad?Will they prosecute?
saorbhriathar (autonomous)IonchúiseofarNí ionchúiseofarAn ionchúiseofar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)D'ionchúiseoinnI would prosecuteNí ionchúiseoinnI would not prosecuteAn ionchúiseoinn?Would I prosecute?
tú (you)D'ionchúiseofáYou would prosecuteNí ionchúiseofáYou would not prosecuteAn ionchúiseofá?Would you prosecute?
sé / sí (he / she)D'ionchúiseodh sé / síHe would prosecuteNí ionchúiseodh sé / síHe would not prosecuteAn ionchúiseodh sé / sí?Would he prosecute?
sinn (we)D'ionchúiseoimisWe would prosecuteNí ionchúiseoimisWe would not prosecuteAn ionchúiseoimis?Would we prosecute?
sibh (you, plural)D'ionchúiseodh sibhYou would prosecuteNí ionchúiseodh sibhYou would not prosecuteAn ionchúiseodh sibh?Would you prosecute?
siad (they)D'ionchúiseoidísThey would prosecuteNí ionchúiseoidísThey would not prosecuteAn ionchúiseoidís?Would they prosecute?
saorbhriathar (autonomous)D'ionchúiseofaíNí ionchúiseofaíAn ionchúiseofaí?

“Ionchúisigh” in a sentence: Irish examples

Past, present, future and conditional, with a negative and a question.

D'ionchúisigh an Stát an fear as gadaíocht.
The State prosecuted the man for theft.
Ionchúisíonn na Gardaí tiománaithe a bhíonn ag luas.
The Gardaí prosecute drivers who speed.
Ionchúiseoidh siad an comhlacht faoin dlí nua.
They will prosecute the company under the new law.
D'ionchúiseodh an Stiúrthóir é dá mbeadh fianaise ann.
The Director would prosecute him if there were evidence.
Níor ionchúisíodh aon duine riamh as an gcoir.
Nobody was ever prosecuted for the crime.
Ar ionchúisíodh an tiománaí?
Was the driver prosecuted?

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To prosecute in Irish: frequently asked questions

What is the Irish for to prosecute?

The Irish for to prosecute is ionchúisigh (pronounced “UN-khoo-shee”). It is a second-conjugation verb; the verbal noun is ionchúiseamh.

What is the verbal noun of ionchúisigh?

The verbal noun of ionchúisigh is ionchúiseamh, used after ag for the continuous: ag ionchúiseamh (prosecuting). The verbal adjective is ionchúisithe.

How do you say ionchúisigh in the past and the future?

Past: D'ionchúisigh mé; negative Níor ionchúisigh mé; question Ar ionchúisigh mé?. Future: Ionchúiseoidh mé; negative Ní ionchúiseoidh mé; question An ionchúiseoidh mé?.

What is the modh coinníollach of ionchúisigh?

The conditional (modh coinníollach) first person is D'ionchúiseoinn (I would prosecute); negative Ní ionchúiseoinn; question An ionchúiseoinn?.

What is the difference between 'ionchúisigh' and 'cúisigh'?

'Cúisigh' means to accuse or charge someone, while 'ionchúisigh' means to prosecute them formally in court. A person is first 'cúisithe' and then 'ionchúisithe'.

Which preposition is used for the offence?

Use 'as' or 'i' for the offence: 'ionchúisíodh as dúnmharú é', he was prosecuted for murder.

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