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To boil in Irish (fiuch): Meaning, Conjugation, Examples

Other uses of ‘fiuch’: seethe

The Irish for to boil is fiuch; ag fiuchadh is boiling.
Updated October 2026Report a mistake

How to say “to boil” in Irish

Irish:
fiuch
English:
to boil, seethe
Word type:
verb, first-conjugation
Verbal noun:
fiuchadh (ag fiuchadh, boiling)
Verbal adjective:
fiuchta
Pronunciation:
“fyukh”  /fʲʊx/

What does “fiuch” mean?

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

to boil
To heat a liquid until it bubbles, or to cook something in boiling water.Also: bring to the boil, cook in water.
1 other meaning: seethe
2to seethe
To be very angry or agitated, figuratively boiling with emotion.Also: fume, be furious.

Other Irish verbs for to boil: bruith (boil), beirigh (boil)

“Fiuch” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)D'fhiuch méI boiledNíor fhiuch méI did not boilAr fhiuch mé?Did I boil?
tú (you)D'fhiuch túYou boiledNíor fhiuch túYou did not boilAr fhiuch tú?Did you boil?
sé / sí (he / she)D'fhiuch sé / síHe boiledNíor fhiuch sé / síHe did not boilAr fhiuch sé / sí?Did he boil?
sinn (we)D'fhiuchamarWe boiledNíor fhiuchamarWe did not boilAr fhiuchamar?Did we boil?
sibh (you, plural)D'fhiuch sibhYou boiledNíor fhiuch sibhYou did not boilAr fhiuch sibh?Did you boil?
siad (they)D'fhiuch siadThey boiledNíor fhiuch siadThey did not boilAr fhiuch siad?Did they boil?
saorbhriathar (autonomous)FiuchadhNíor fiuchadhAr fiuchadh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)FiuchaimI boilNí fhiuchaimI do not boilAn bhfiuchaim?Do I boil?
tú (you)Fiuchann túYou boilNí fhiuchann túYou do not boilAn bhfiuchann tú?Do you boil?
sé / sí (he / she)Fiuchann sé / síHe boilsNí fhiuchann sé / síHe does not boilAn bhfiuchann sé / sí?Does he boil?
sinn (we)FiuchaimidWe boilNí fhiuchaimidWe do not boilAn bhfiuchaimid?Do we boil?
sibh (you, plural)Fiuchann sibhYou boilNí fhiuchann sibhYou do not boilAn bhfiuchann sibh?Do you boil?
siad (they)Fiuchann siadThey boilNí fhiuchann siadThey do not boilAn bhfiuchann siad?Do they boil?
saorbhriathar (autonomous)FiuchtarNí fhiuchtarAn bhfiuchtar?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Fiuchfaidh méI will boilNí fhiuchfaidh méI will not boilAn bhfiuchfaidh mé?Will I boil?
tú (you)Fiuchfaidh túYou will boilNí fhiuchfaidh túYou will not boilAn bhfiuchfaidh tú?Will you boil?
sé / sí (he / she)Fiuchfaidh sé / síHe will boilNí fhiuchfaidh sé / síHe will not boilAn bhfiuchfaidh sé / sí?Will he boil?
sinn (we)FiuchfaimidWe will boilNí fhiuchfaimidWe will not boilAn bhfiuchfaimid?Will we boil?
sibh (you, plural)Fiuchfaidh sibhYou will boilNí fhiuchfaidh sibhYou will not boilAn bhfiuchfaidh sibh?Will you boil?
siad (they)Fiuchfaidh siadThey will boilNí fhiuchfaidh siadThey will not boilAn bhfiuchfaidh siad?Will they boil?
saorbhriathar (autonomous)FiuchfarNí fhiuchfarAn bhfiuchfar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)D'fhiuchfainnI would boilNí fhiuchfainnI would not boilAn bhfiuchfainn?Would I boil?
tú (you)D'fhiuchfáYou would boilNí fhiuchfáYou would not boilAn bhfiuchfá?Would you boil?
sé / sí (he / she)D'fhiuchfadh sé / síHe would boilNí fhiuchfadh sé / síHe would not boilAn bhfiuchfadh sé / sí?Would he boil?
sinn (we)D'fhiuchfaimisWe would boilNí fhiuchfaimisWe would not boilAn bhfiuchfaimis?Would we boil?
sibh (you, plural)D'fhiuchfadh sibhYou would boilNí fhiuchfadh sibhYou would not boilAn bhfiuchfadh sibh?Would you boil?
siad (they)D'fhiuchfaidísThey would boilNí fhiuchfaidísThey would not boilAn bhfiuchfaidís?Would they boil?
saorbhriathar (autonomous)D'fhiuchfaíNí fhiuchfaíAn bhfiuchfaí?

“Fiuch” in a sentence: Irish examples

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

D'fhiuch mé an t-uisce don tae.
I boiled the water for the tea.
Fiuchann sí na prátaí gach tráthnóna.
She boils the potatoes every evening.
Fiuchfaidh mé uibheacha don bhricfeasta.
I will boil eggs for breakfast.
D'fhiuchfainn an bainne dá mbeadh am agam.
I would boil the milk if I had time.
Níor fhiuch an citeal fós.
The kettle hasn't boiled yet.
Ar fhiuch tú an t-uisce?
Did you boil the water?

Other verbs in Irish

More everyday Irish verbs to learn next.

To boil in Irish: frequently asked questions

What is the Irish for to boil?

The Irish for to boil is fiuch (pronounced “fyukh”). It is a first-conjugation verb; the verbal noun is fiuchadh.

What is the verbal noun of fiuch?

The verbal noun of fiuch is fiuchadh, used after ag for the continuous: ag fiuchadh (boiling). The verbal adjective is fiuchta.

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

Past: D'fhiuch mé; negative Níor fhiuch mé; question Ar fhiuch mé?. Future: Fiuchfaidh mé; negative Ní fhiuchfaidh mé; question An bhfiuchfaidh mé?.

What is the modh coinníollach of fiuch?

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

Does fiuch have more than one meaning?

Yes. Fiuch can mean to boil or to seethe, depending on context; the first is the most common.

What is the difference between 'fiuch' and 'bruith'?

'Fiuch' is mainly to boil a liquid, as in 'fiuch an t-uisce', while 'bruith' is more often used for cooking food, as in 'bruith na prátaí'.

How do I say 'boiling water'?

Say 'uisce fiuchta' for boiled water or 'uisce ag fiuchadh' for water that is boiling.

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