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To interrogate in Irish (diancheistigh): Meaning, Conjugation, Examples

The Irish for to interrogate is diancheistigh; ag diancheistiú is interrogating.
Updated October 2026Report a mistake

How to say “to interrogate” in Irish

Irish:
diancheistigh
English:
to interrogate
Word type:
verb, second-conjugation
Verbal noun:
diancheistiú (ag diancheistiú, interrogating)
Verbal adjective:
diancheistithe
Pronunciation:
“DEE-un-hesh-tee”  /ˈdʲiənˌçeʃtʲiː/

What does “diancheistigh” mean?

to interrogate
To question someone closely and intensively, especially a suspect or witness.Also: cross-examine, grill, question closely.

Other Irish verbs for to interrogate: ceistigh (question)

“Diancheistigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Dhiancheistigh méI interrogatedNíor dhiancheistigh méI did not interrogateAr dhiancheistigh mé?Did I interrogate?
tú (you)Dhiancheistigh túYou interrogatedNíor dhiancheistigh túYou did not interrogateAr dhiancheistigh tú?Did you interrogate?
sé / sí (he / she)Dhiancheistigh sé / síHe interrogatedNíor dhiancheistigh sé / síHe did not interrogateAr dhiancheistigh sé / sí?Did he interrogate?
sinn (we)DhiancheistíomarWe interrogatedNíor dhiancheistíomarWe did not interrogateAr dhiancheistíomar?Did we interrogate?
sibh (you, plural)Dhiancheistigh sibhYou interrogatedNíor dhiancheistigh sibhYou did not interrogateAr dhiancheistigh sibh?Did you interrogate?
siad (they)Dhiancheistigh siadThey interrogatedNíor dhiancheistigh siadThey did not interrogateAr dhiancheistigh siad?Did they interrogate?
saorbhriathar (autonomous)DiancheistíodhNíor diancheistíodhAr diancheistíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)DiancheistímI interrogateNí dhiancheistímI do not interrogateAn ndiancheistím?Do I interrogate?
tú (you)Diancheistíonn túYou interrogateNí dhiancheistíonn túYou do not interrogateAn ndiancheistíonn tú?Do you interrogate?
sé / sí (he / she)Diancheistíonn sé / síHe interrogatesNí dhiancheistíonn sé / síHe does not interrogateAn ndiancheistíonn sé / sí?Does he interrogate?
sinn (we)DiancheistímidWe interrogateNí dhiancheistímidWe do not interrogateAn ndiancheistímid?Do we interrogate?
sibh (you, plural)Diancheistíonn sibhYou interrogateNí dhiancheistíonn sibhYou do not interrogateAn ndiancheistíonn sibh?Do you interrogate?
siad (they)Diancheistíonn siadThey interrogateNí dhiancheistíonn siadThey do not interrogateAn ndiancheistíonn siad?Do they interrogate?
saorbhriathar (autonomous)DiancheistítearNí dhiancheistítearAn ndiancheistítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Diancheisteoidh méI will interrogateNí dhiancheisteoidh méI will not interrogateAn ndiancheisteoidh mé?Will I interrogate?
tú (you)Diancheisteoidh túYou will interrogateNí dhiancheisteoidh túYou will not interrogateAn ndiancheisteoidh tú?Will you interrogate?
sé / sí (he / she)Diancheisteoidh sé / síHe will interrogateNí dhiancheisteoidh sé / síHe will not interrogateAn ndiancheisteoidh sé / sí?Will he interrogate?
sinn (we)DiancheisteoimidWe will interrogateNí dhiancheisteoimidWe will not interrogateAn ndiancheisteoimid?Will we interrogate?
sibh (you, plural)Diancheisteoidh sibhYou will interrogateNí dhiancheisteoidh sibhYou will not interrogateAn ndiancheisteoidh sibh?Will you interrogate?
siad (they)Diancheisteoidh siadThey will interrogateNí dhiancheisteoidh siadThey will not interrogateAn ndiancheisteoidh siad?Will they interrogate?
saorbhriathar (autonomous)DiancheisteofarNí dhiancheisteofarAn ndiancheisteofar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)DhiancheisteoinnI would interrogateNí dhiancheisteoinnI would not interrogateAn ndiancheisteoinn?Would I interrogate?
tú (you)DhiancheisteofáYou would interrogateNí dhiancheisteofáYou would not interrogateAn ndiancheisteofá?Would you interrogate?
sé / sí (he / she)Dhiancheisteodh sé / síHe would interrogateNí dhiancheisteodh sé / síHe would not interrogateAn ndiancheisteodh sé / sí?Would he interrogate?
sinn (we)DhiancheisteoimisWe would interrogateNí dhiancheisteoimisWe would not interrogateAn ndiancheisteoimis?Would we interrogate?
sibh (you, plural)Dhiancheisteodh sibhYou would interrogateNí dhiancheisteodh sibhYou would not interrogateAn ndiancheisteodh sibh?Would you interrogate?
siad (they)DhiancheisteoidísThey would interrogateNí dhiancheisteoidísThey would not interrogateAn ndiancheisteoidís?Would they interrogate?
saorbhriathar (autonomous)DhiancheisteofaíNí dhiancheisteofaíAn ndiancheisteofaí?

“Diancheistigh” in a sentence: Irish examples

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

Dhiancheistigh na gardaí an fear ar feadh uaire.
The police interrogated the man for an hour.
Diancheistíonn an dlíodóir gach finné go cúramach.
The lawyer cross-examines every witness carefully.
Diancheisteoidh siad an t-amhrastach amárach.
They will interrogate the suspect tomorrow.
Dhiancheisteodh sé thú dá mbeadh deis aige.
He would grill you if he had the chance.
Níor dhiancheistigh aon duine í faoin timpiste.
Nobody questioned her closely about the accident.
Ar dhiancheistigh na gardaí an tiománaí?
Did the police interrogate the driver?

Other verbs in Irish

More everyday Irish verbs to learn next.

To interrogate in Irish: frequently asked questions

What is the Irish for to interrogate?

The Irish for to interrogate is diancheistigh (pronounced “DEE-un-hesh-tee”). It is a second-conjugation verb; the verbal noun is diancheistiú.

What is the verbal noun of diancheistigh?

The verbal noun of diancheistigh is diancheistiú, used after ag for the continuous: ag diancheistiú (interrogating). The verbal adjective is diancheistithe.

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

Past: Dhiancheistigh mé; negative Níor dhiancheistigh mé; question Ar dhiancheistigh mé?. Future: Diancheisteoidh mé; negative Ní dhiancheisteoidh mé; question An ndiancheisteoidh mé?.

What is the modh coinníollach of diancheistigh?

The conditional (modh coinníollach) first person is Dhiancheisteoinn (I would interrogate); negative Ní dhiancheisteoinn; question An ndiancheisteoinn?.

How is 'diancheistigh' different from 'ceistigh'?

'Ceistigh' simply means to question someone, while 'diancheistigh' adds 'dian' (intense), so it means to interrogate or grill someone hard.

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