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To falsify in Irish (falsaigh): Meaning, Conjugation, Examples

The Irish for to falsify is falsaigh; ag falsú is falsifying.
Updated October 2026Report a mistake

How to say “to falsify” in Irish

Irish:
falsaigh
English:
to falsify
Word type:
verb, second-conjugation
Verbal noun:
falsú (ag falsú, falsifying)
Verbal adjective:
falsaithe
Pronunciation:
“FAL-see”  /ˈfal̪ˠsˠiː/

What does “falsaigh” mean?

to falsify
To change something such as a document, record or result so that it is false.Also: forge, fake, counterfeit, doctor.

“Falsaigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)D'fhalsaigh méI falsifiedNíor fhalsaigh méI did not falsifyAr fhalsaigh mé?Did I falsify?
tú (you)D'fhalsaigh túYou falsifiedNíor fhalsaigh túYou did not falsifyAr fhalsaigh tú?Did you falsify?
sé / sí (he / she)D'fhalsaigh sé / síHe falsifiedNíor fhalsaigh sé / síHe did not falsifyAr fhalsaigh sé / sí?Did he falsify?
sinn (we)D'fhalsaíomarWe falsifiedNíor fhalsaíomarWe did not falsifyAr fhalsaíomar?Did we falsify?
sibh (you, plural)D'fhalsaigh sibhYou falsifiedNíor fhalsaigh sibhYou did not falsifyAr fhalsaigh sibh?Did you falsify?
siad (they)D'fhalsaigh siadThey falsifiedNíor fhalsaigh siadThey did not falsifyAr fhalsaigh siad?Did they falsify?
saorbhriathar (autonomous)FalsaíodhNíor falsaíodhAr falsaíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)FalsaímI falsifyNí fhalsaímI do not falsifyAn bhfalsaím?Do I falsify?
tú (you)Falsaíonn túYou falsifyNí fhalsaíonn túYou do not falsifyAn bhfalsaíonn tú?Do you falsify?
sé / sí (he / she)Falsaíonn sé / síHe falsifiesNí fhalsaíonn sé / síHe does not falsifyAn bhfalsaíonn sé / sí?Does he falsify?
sinn (we)FalsaímidWe falsifyNí fhalsaímidWe do not falsifyAn bhfalsaímid?Do we falsify?
sibh (you, plural)Falsaíonn sibhYou falsifyNí fhalsaíonn sibhYou do not falsifyAn bhfalsaíonn sibh?Do you falsify?
siad (they)Falsaíonn siadThey falsifyNí fhalsaíonn siadThey do not falsifyAn bhfalsaíonn siad?Do they falsify?
saorbhriathar (autonomous)FalsaítearNí fhalsaítearAn bhfalsaítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Falsóidh méI will falsifyNí fhalsóidh méI will not falsifyAn bhfalsóidh mé?Will I falsify?
tú (you)Falsóidh túYou will falsifyNí fhalsóidh túYou will not falsifyAn bhfalsóidh tú?Will you falsify?
sé / sí (he / she)Falsóidh sé / síHe will falsifyNí fhalsóidh sé / síHe will not falsifyAn bhfalsóidh sé / sí?Will he falsify?
sinn (we)FalsóimidWe will falsifyNí fhalsóimidWe will not falsifyAn bhfalsóimid?Will we falsify?
sibh (you, plural)Falsóidh sibhYou will falsifyNí fhalsóidh sibhYou will not falsifyAn bhfalsóidh sibh?Will you falsify?
siad (they)Falsóidh siadThey will falsifyNí fhalsóidh siadThey will not falsifyAn bhfalsóidh siad?Will they falsify?
saorbhriathar (autonomous)FalsófarNí fhalsófarAn bhfalsófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)D'fhalsóinnI would falsifyNí fhalsóinnI would not falsifyAn bhfalsóinn?Would I falsify?
tú (you)D'fhalsófáYou would falsifyNí fhalsófáYou would not falsifyAn bhfalsófá?Would you falsify?
sé / sí (he / she)D'fhalsódh sé / síHe would falsifyNí fhalsódh sé / síHe would not falsifyAn bhfalsódh sé / sí?Would he falsify?
sinn (we)D'fhalsóimisWe would falsifyNí fhalsóimisWe would not falsifyAn bhfalsóimis?Would we falsify?
sibh (you, plural)D'fhalsódh sibhYou would falsifyNí fhalsódh sibhYou would not falsifyAn bhfalsódh sibh?Would you falsify?
siad (they)D'fhalsóidísThey would falsifyNí fhalsóidísThey would not falsifyAn bhfalsóidís?Would they falsify?
saorbhriathar (autonomous)D'fhalsófaíNí fhalsófaíAn bhfalsófaí?

“Falsaigh” in a sentence: Irish examples

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

D'fhalsaigh sé na cuntais sa chomhlacht.
He falsified the accounts in the company.
Falsaíonn roinnt daoine a gcuid torthaí.
Some people falsify their results.
Ní fhalsóidh mé aon doiciméad duit.
I will not falsify any document for you.
D'fhalsódh sé an taifead dá bhféadfadh sé.
He would falsify the record if he could.
Níor fhalsaigh sí na figiúirí riamh.
She never falsified the figures.
Ar fhalsaigh siad an síniú?
Did they forge the signature?

Other verbs in Irish

More everyday Irish verbs to learn next.

To falsify in Irish: frequently asked questions

What is the Irish for to falsify?

The Irish for to falsify is falsaigh (pronounced “FAL-see”). It is a second-conjugation verb; the verbal noun is falsú.

What is the verbal noun of falsaigh?

The verbal noun of falsaigh is falsú, used after ag for the continuous: ag falsú (falsifying). The verbal adjective is falsaithe.

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

Past: D'fhalsaigh mé; negative Níor fhalsaigh mé; question Ar fhalsaigh mé?. Future: Falsóidh mé; negative Ní fhalsóidh mé; question An bhfalsóidh mé?.

What is the modh coinníollach of falsaigh?

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

Is 'falsaigh' the same as 'brionnaigh'?

They overlap: 'falsaigh' means to falsify in general, while 'brionnaigh' is used especially for forging signatures or documents.

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