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To double in Irish (dúbail): Meaning, Conjugation, Examples

Other uses of ‘dúbail’: fold in two · duplicate

The Irish for to double is dúbail; ag dúbailt is doubling.
Updated October 2026Report a mistake

How to say “to double” in Irish

Irish:
dúbail
English:
to double, fold in two, duplicate
Word type:
verb, second-conjugation
Verbal noun:
dúbailt (ag dúbailt, doubling)
Verbal adjective:
dúbailte
Pronunciation:
“DOO-bil”  /ˈd̪ˠuːbˠəlʲ/

What does “dúbail” mean?

“Dúbail” has three alternative meanings. The most common comes first.

to double
To make something twice as big or as many, or to become twice as big.Also: increase twofold, multiply by two.
2 other meanings: fold in two or duplicate
2to fold in two
To fold or bend something over so that it is in two layers.Also: fold over, double over.
3to duplicate
To make an exact copy of something.Also: copy, replicate.

Other Irish verbs for to double: dúbláil (double)

“Dúbail” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Dhúbail méI doubledNíor dhúbail méI did not doubleAr dhúbail mé?Did I double?
tú (you)Dhúbail túYou doubledNíor dhúbail túYou did not doubleAr dhúbail tú?Did you double?
sé / sí (he / she)Dhúbail sé / síHe doubledNíor dhúbail sé / síHe did not doubleAr dhúbail sé / sí?Did he double?
sinn (we)DhúblaíomarWe doubledNíor dhúblaíomarWe did not doubleAr dhúblaíomar?Did we double?
sibh (you, plural)Dhúbail sibhYou doubledNíor dhúbail sibhYou did not doubleAr dhúbail sibh?Did you double?
siad (they)Dhúbail siadThey doubledNíor dhúbail siadThey did not doubleAr dhúbail siad?Did they double?
saorbhriathar (autonomous)DúblaíodhNíor dúblaíodhAr dúblaíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)DúblaímI doubleNí dhúblaímI do not doubleAn ndúblaím?Do I double?
tú (you)Dúblaíonn túYou doubleNí dhúblaíonn túYou do not doubleAn ndúblaíonn tú?Do you double?
sé / sí (he / she)Dúblaíonn sé / síHe doublesNí dhúblaíonn sé / síHe does not doubleAn ndúblaíonn sé / sí?Does he double?
sinn (we)DúblaímidWe doubleNí dhúblaímidWe do not doubleAn ndúblaímid?Do we double?
sibh (you, plural)Dúblaíonn sibhYou doubleNí dhúblaíonn sibhYou do not doubleAn ndúblaíonn sibh?Do you double?
siad (they)Dúblaíonn siadThey doubleNí dhúblaíonn siadThey do not doubleAn ndúblaíonn siad?Do they double?
saorbhriathar (autonomous)DúblaítearNí dhúblaítearAn ndúblaítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Dúblóidh méI will doubleNí dhúblóidh méI will not doubleAn ndúblóidh mé?Will I double?
tú (you)Dúblóidh túYou will doubleNí dhúblóidh túYou will not doubleAn ndúblóidh tú?Will you double?
sé / sí (he / she)Dúblóidh sé / síHe will doubleNí dhúblóidh sé / síHe will not doubleAn ndúblóidh sé / sí?Will he double?
sinn (we)DúblóimidWe will doubleNí dhúblóimidWe will not doubleAn ndúblóimid?Will we double?
sibh (you, plural)Dúblóidh sibhYou will doubleNí dhúblóidh sibhYou will not doubleAn ndúblóidh sibh?Will you double?
siad (they)Dúblóidh siadThey will doubleNí dhúblóidh siadThey will not doubleAn ndúblóidh siad?Will they double?
saorbhriathar (autonomous)DúblófarNí dhúblófarAn ndúblófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)DhúblóinnI would doubleNí dhúblóinnI would not doubleAn ndúblóinn?Would I double?
tú (you)DhúblófáYou would doubleNí dhúblófáYou would not doubleAn ndúblófá?Would you double?
sé / sí (he / she)Dhúblódh sé / síHe would doubleNí dhúblódh sé / síHe would not doubleAn ndúblódh sé / sí?Would he double?
sinn (we)DhúblóimisWe would doubleNí dhúblóimisWe would not doubleAn ndúblóimis?Would we double?
sibh (you, plural)Dhúblódh sibhYou would doubleNí dhúblódh sibhYou would not doubleAn ndúblódh sibh?Would you double?
siad (they)DhúblóidísThey would doubleNí dhúblóidísThey would not doubleAn ndúblóidís?Would they double?
saorbhriathar (autonomous)DhúblófaíNí dhúblófaíAn ndúblófaí?

“Dúbail” in a sentence: Irish examples

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

Dhúbail siad praghas na dticéad anuraidh.
They doubled the price of the tickets last year.
Dúblaíonn an daonra gach tríocha bliain.
The population doubles every thirty years.
Dúblóidh mé an méid plúir san oideas.
I will double the amount of flour in the recipe.
Dhúblódh sé a thuarastal dá bhfaigheadh sé an post.
He would double his salary if he got the job.
Níor dhúbail an comhlacht a bhrabús i mbliana.
The company did not double its profit this year.
Dhúbail siad líon na mball sa chlub.
They doubled the number of members in the club.

Other verbs in Irish

More everyday Irish verbs to learn next.

To double in Irish: frequently asked questions

What is the Irish for to double?

The Irish for to double is dúbail (pronounced “DOO-bil”). It is a second-conjugation verb; the verbal noun is dúbailt.

What is the verbal noun of dúbail?

The verbal noun of dúbail is dúbailt, used after ag for the continuous: ag dúbailt (doubling). The verbal adjective is dúbailte.

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

Past: Dhúbail mé; negative Níor dhúbail mé; question Ar dhúbail mé?. Future: Dúblóidh mé; negative Ní dhúblóidh mé; question An ndúblóidh mé?.

What is the modh coinníollach of dúbail?

The conditional (modh coinníollach) first person is Dhúblóinn (I would double); negative Ní dhúblóinn; question An ndúblóinn?.

Does dúbail have more than one meaning?

Yes. Dúbail can mean to double, to fold in two or to duplicate, depending on context; the first is the most common.

What is the difference between 'dúbail' and 'fill'?

'Dúbail' means to double or fold something in two, while 'fill' is the general verb for to fold or to return. For folding a page in half, 'dúbail' stresses the two layers.

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