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

Other uses of ‘iolraigh’: pluralize

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

How to say “to multiply” in Irish

Irish:
iolraigh
English:
to multiply, pluralize
Word type:
verb, second-conjugation
Verbal noun:
iolrú (ag iolrú, multiplying)
Verbal adjective:
iolraithe
Pronunciation:
“IL-ree”  /ɪl̪ˠɾˠiː/

What does “iolraigh” mean?

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

to multiply
To increase something in number, or to multiply numbers in maths.Also: increase, proliferate.
1 other meaning: pluralize
2to pluralize
To put a word into the plural form.Also: make plural.

“Iolraigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)D'iolraigh méI multipliedNíor iolraigh méI did not multiplyAr iolraigh mé?Did I multiply?
tú (you)D'iolraigh túYou multipliedNíor iolraigh túYou did not multiplyAr iolraigh tú?Did you multiply?
sé / sí (he / she)D'iolraigh sé / síHe multipliedNíor iolraigh sé / síHe did not multiplyAr iolraigh sé / sí?Did he multiply?
sinn (we)D'iolraíomarWe multipliedNíor iolraíomarWe did not multiplyAr iolraíomar?Did we multiply?
sibh (you, plural)D'iolraigh sibhYou multipliedNíor iolraigh sibhYou did not multiplyAr iolraigh sibh?Did you multiply?
siad (they)D'iolraigh siadThey multipliedNíor iolraigh siadThey did not multiplyAr iolraigh siad?Did they multiply?
saorbhriathar (autonomous)IolraíodhNíor iolraíodhAr iolraíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)IolraímI multiplyNí iolraímI do not multiplyAn iolraím?Do I multiply?
tú (you)Iolraíonn túYou multiplyNí iolraíonn túYou do not multiplyAn iolraíonn tú?Do you multiply?
sé / sí (he / she)Iolraíonn sé / síHe multipliesNí iolraíonn sé / síHe does not multiplyAn iolraíonn sé / sí?Does he multiply?
sinn (we)IolraímidWe multiplyNí iolraímidWe do not multiplyAn iolraímid?Do we multiply?
sibh (you, plural)Iolraíonn sibhYou multiplyNí iolraíonn sibhYou do not multiplyAn iolraíonn sibh?Do you multiply?
siad (they)Iolraíonn siadThey multiplyNí iolraíonn siadThey do not multiplyAn iolraíonn siad?Do they multiply?
saorbhriathar (autonomous)IolraítearNí iolraítearAn iolraítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Iolróidh méI will multiplyNí iolróidh méI will not multiplyAn iolróidh mé?Will I multiply?
tú (you)Iolróidh túYou will multiplyNí iolróidh túYou will not multiplyAn iolróidh tú?Will you multiply?
sé / sí (he / she)Iolróidh sé / síHe will multiplyNí iolróidh sé / síHe will not multiplyAn iolróidh sé / sí?Will he multiply?
sinn (we)IolróimidWe will multiplyNí iolróimidWe will not multiplyAn iolróimid?Will we multiply?
sibh (you, plural)Iolróidh sibhYou will multiplyNí iolróidh sibhYou will not multiplyAn iolróidh sibh?Will you multiply?
siad (they)Iolróidh siadThey will multiplyNí iolróidh siadThey will not multiplyAn iolróidh siad?Will they multiply?
saorbhriathar (autonomous)IolrófarNí iolrófarAn iolrófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)D'iolróinnI would multiplyNí iolróinnI would not multiplyAn iolróinn?Would I multiply?
tú (you)D'iolrófáYou would multiplyNí iolrófáYou would not multiplyAn iolrófá?Would you multiply?
sé / sí (he / she)D'iolródh sé / síHe would multiplyNí iolródh sé / síHe would not multiplyAn iolródh sé / sí?Would he multiply?
sinn (we)D'iolróimisWe would multiplyNí iolróimisWe would not multiplyAn iolróimis?Would we multiply?
sibh (you, plural)D'iolródh sibhYou would multiplyNí iolródh sibhYou would not multiplyAn iolródh sibh?Would you multiply?
siad (they)D'iolróidísThey would multiplyNí iolróidísThey would not multiplyAn iolróidís?Would they multiply?
saorbhriathar (autonomous)D'iolrófaíNí iolrófaíAn iolrófaí?

“Iolraigh” in a sentence: Irish examples

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

D'iolraigh sé an uimhir faoi thrí.
He multiplied the number by three.
Iolraíonn na coiníní go han-tapa.
Rabbits multiply very quickly.
Iolróidh tú an dá uimhir le chéile.
You will multiply the two numbers together.
D'iolródh na fadhbanna dá bhfanfaimis.
The problems would multiply if we waited.
Níor iolraigh mé na figiúirí i gceart.
I didn't multiply the figures correctly.
Ar iolraigh tú seacht faoi ocht?
Did you multiply seven by eight?

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 iolraigh (pronounced “IL-ree”). It is a second-conjugation verb; the verbal noun is iolrú.

What is the verbal noun of iolraigh?

The verbal noun of iolraigh is iolrú, used after ag for the continuous: ag iolrú (multiplying). The verbal adjective is iolraithe.

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

Past: D'iolraigh mé; negative Níor iolraigh mé; question Ar iolraigh mé?. Future: Iolróidh mé; negative Ní iolróidh mé; question An iolróidh mé?.

What is the modh coinníollach of iolraigh?

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

Does iolraigh have more than one meaning?

Yes. Iolraigh can mean to multiply or to pluralize, depending on context; the first is the most common.

How do you say 'multiply by' with 'iolraigh'?

Use 'faoi' or 'le': 'iolraigh cúig faoi thrí' means multiply five by three.

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