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To multiply in Irish (iomadaigh): Meaning, Conjugation, Examples

The Irish for to multiply is iomadaigh; ag iomadú is multiplying.
Updated October 2026Report a mistake

How to say “to multiply” in Irish

Irish:
iomadaigh
English:
to multiply
Word type:
verb, second-conjugation
Verbal noun:
iomadú (ag iomadú, multiplying)
Verbal adjective:
iomadaithe
Pronunciation:
“UM-ad-ee”  /ʊmˠəd̪ˠiː/

What does “iomadaigh” mean?

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

to multiply
To increase greatly in number, or to make something increase in number.Also: increase, proliferate, grow in number.
1 other meaning:
2to multiply
In maths, to multiply one number by another.Also: times.

“Iomadaigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)D'iomadaigh méI multipliedNíor iomadaigh méI did not multiplyAr iomadaigh mé?Did I multiply?
tú (you)D'iomadaigh túYou multipliedNíor iomadaigh túYou did not multiplyAr iomadaigh tú?Did you multiply?
sé / sí (he / she)D'iomadaigh sé / síHe multipliedNíor iomadaigh sé / síHe did not multiplyAr iomadaigh sé / sí?Did he multiply?
sinn (we)D'iomadaíomarWe multipliedNíor iomadaíomarWe did not multiplyAr iomadaíomar?Did we multiply?
sibh (you, plural)D'iomadaigh sibhYou multipliedNíor iomadaigh sibhYou did not multiplyAr iomadaigh sibh?Did you multiply?
siad (they)D'iomadaigh siadThey multipliedNíor iomadaigh siadThey did not multiplyAr iomadaigh siad?Did they multiply?
saorbhriathar (autonomous)IomadaíodhNíor iomadaíodhAr iomadaíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)IomadaímI multiplyNí iomadaímI do not multiplyAn iomadaím?Do I multiply?
tú (you)Iomadaíonn túYou multiplyNí iomadaíonn túYou do not multiplyAn iomadaíonn tú?Do you multiply?
sé / sí (he / she)Iomadaíonn sé / síHe multipliesNí iomadaíonn sé / síHe does not multiplyAn iomadaíonn sé / sí?Does he multiply?
sinn (we)IomadaímidWe multiplyNí iomadaímidWe do not multiplyAn iomadaímid?Do we multiply?
sibh (you, plural)Iomadaíonn sibhYou multiplyNí iomadaíonn sibhYou do not multiplyAn iomadaíonn sibh?Do you multiply?
siad (they)Iomadaíonn siadThey multiplyNí iomadaíonn siadThey do not multiplyAn iomadaíonn siad?Do they multiply?
saorbhriathar (autonomous)IomadaítearNí iomadaítearAn iomadaítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Iomadóidh méI will multiplyNí iomadóidh méI will not multiplyAn iomadóidh mé?Will I multiply?
tú (you)Iomadóidh túYou will multiplyNí iomadóidh túYou will not multiplyAn iomadóidh tú?Will you multiply?
sé / sí (he / she)Iomadóidh sé / síHe will multiplyNí iomadóidh sé / síHe will not multiplyAn iomadóidh sé / sí?Will he multiply?
sinn (we)IomadóimidWe will multiplyNí iomadóimidWe will not multiplyAn iomadóimid?Will we multiply?
sibh (you, plural)Iomadóidh sibhYou will multiplyNí iomadóidh sibhYou will not multiplyAn iomadóidh sibh?Will you multiply?
siad (they)Iomadóidh siadThey will multiplyNí iomadóidh siadThey will not multiplyAn iomadóidh siad?Will they multiply?
saorbhriathar (autonomous)IomadófarNí iomadófarAn iomadófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)D'iomadóinnI would multiplyNí iomadóinnI would not multiplyAn iomadóinn?Would I multiply?
tú (you)D'iomadófáYou would multiplyNí iomadófáYou would not multiplyAn iomadófá?Would you multiply?
sé / sí (he / she)D'iomadódh sé / síHe would multiplyNí iomadódh sé / síHe would not multiplyAn iomadódh sé / sí?Would he multiply?
sinn (we)D'iomadóimisWe would multiplyNí iomadóimisWe would not multiplyAn iomadóimis?Would we multiply?
sibh (you, plural)D'iomadódh sibhYou would multiplyNí iomadódh sibhYou would not multiplyAn iomadódh sibh?Would you multiply?
siad (they)D'iomadóidísThey would multiplyNí iomadóidísThey would not multiplyAn iomadóidís?Would they multiply?
saorbhriathar (autonomous)D'iomadófaíNí iomadófaíAn iomadófaí?

“Iomadaigh” in a sentence: Irish examples

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

D'iomadaigh na coiníní go tapa sa gharraí.
The rabbits multiplied quickly in the garden.
Iomadaíonn baictéir go han-tapa sa teas.
Bacteria multiply very quickly in the heat.
Iomadóidh na fadhbanna má fhanaimid ciúin.
The problems will multiply if we stay quiet.
D'iomadódh na héin dá mbeadh níos mó bia ann.
The birds would multiply if there were more food.
Níor iomadaigh na hainmhithe an bhliain sin.
The animals did not multiply that year.
Ar iomadaigh tú an dá uimhir sin?
Did you multiply those two numbers?

Other verbs in Irish

More everyday Irish verbs to learn next.

To multiply in Irish: frequently asked questions

What is the Irish for to multiply?

The Irish for to multiply is iomadaigh (pronounced “UM-ad-ee”). It is a second-conjugation verb; the verbal noun is iomadú.

What is the verbal noun of iomadaigh?

The verbal noun of iomadaigh is iomadú, used after ag for the continuous: ag iomadú (multiplying). The verbal adjective is iomadaithe.

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

Past: D'iomadaigh mé; negative Níor iomadaigh mé; question Ar iomadaigh mé?. Future: Iomadóidh mé; negative Ní iomadóidh mé; question An iomadóidh mé?.

What is the modh coinníollach of iomadaigh?

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

How do you say 'multiply by' in Irish?

Use 'faoi': 'iomadaigh trí faoi cheathair' means multiply three by four. In arithmetic you also hear 'a trí faoi cheathair'.

What is the difference between 'iomadaigh' and 'méadaigh'?

'Méadaigh' is the general word for increase, while 'iomadaigh' means multiply, in number or in maths.

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