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To purify in Irish (íonaigh): Meaning, Conjugation, Examples

The Irish for to purify is íonaigh; ag íonú is purifying.
Updated October 2026Report a mistake

How to say “to purify” in Irish

Irish:
íonaigh
English:
to purify
Word type:
verb, second-conjugation
Verbal noun:
íonú (ag íonú, purifying)
Verbal adjective:
íonaithe
Pronunciation:
“EE-nee”  /ˈiːnˠiː/

What does “íonaigh” mean?

to purify
To make something pure or clean by removing dirt or harmful matter.Also: cleanse, refine, make pure.

“Íonaigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)D'íonaigh méI purifiedNíor íonaigh méI did not purifyAr íonaigh mé?Did I purify?
tú (you)D'íonaigh túYou purifiedNíor íonaigh túYou did not purifyAr íonaigh tú?Did you purify?
sé / sí (he / she)D'íonaigh sé / síHe purifiedNíor íonaigh sé / síHe did not purifyAr íonaigh sé / sí?Did he purify?
sinn (we)D'íonaíomarWe purifiedNíor íonaíomarWe did not purifyAr íonaíomar?Did we purify?
sibh (you, plural)D'íonaigh sibhYou purifiedNíor íonaigh sibhYou did not purifyAr íonaigh sibh?Did you purify?
siad (they)D'íonaigh siadThey purifiedNíor íonaigh siadThey did not purifyAr íonaigh siad?Did they purify?
saorbhriathar (autonomous)ÍonaíodhNíor íonaíodhAr íonaíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)ÍonaímI purifyNí íonaímI do not purifyAn íonaím?Do I purify?
tú (you)Íonaíonn túYou purifyNí íonaíonn túYou do not purifyAn íonaíonn tú?Do you purify?
sé / sí (he / she)Íonaíonn sé / síHe purifiesNí íonaíonn sé / síHe does not purifyAn íonaíonn sé / sí?Does he purify?
sinn (we)ÍonaímidWe purifyNí íonaímidWe do not purifyAn íonaímid?Do we purify?
sibh (you, plural)Íonaíonn sibhYou purifyNí íonaíonn sibhYou do not purifyAn íonaíonn sibh?Do you purify?
siad (they)Íonaíonn siadThey purifyNí íonaíonn siadThey do not purifyAn íonaíonn siad?Do they purify?
saorbhriathar (autonomous)ÍonaítearNí íonaítearAn íonaítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Íonóidh méI will purifyNí íonóidh méI will not purifyAn íonóidh mé?Will I purify?
tú (you)Íonóidh túYou will purifyNí íonóidh túYou will not purifyAn íonóidh tú?Will you purify?
sé / sí (he / she)Íonóidh sé / síHe will purifyNí íonóidh sé / síHe will not purifyAn íonóidh sé / sí?Will he purify?
sinn (we)ÍonóimidWe will purifyNí íonóimidWe will not purifyAn íonóimid?Will we purify?
sibh (you, plural)Íonóidh sibhYou will purifyNí íonóidh sibhYou will not purifyAn íonóidh sibh?Will you purify?
siad (they)Íonóidh siadThey will purifyNí íonóidh siadThey will not purifyAn íonóidh siad?Will they purify?
saorbhriathar (autonomous)ÍonófarNí íonófarAn íonófar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)D'íonóinnI would purifyNí íonóinnI would not purifyAn íonóinn?Would I purify?
tú (you)D'íonófáYou would purifyNí íonófáYou would not purifyAn íonófá?Would you purify?
sé / sí (he / she)D'íonódh sé / síHe would purifyNí íonódh sé / síHe would not purifyAn íonódh sé / sí?Would he purify?
sinn (we)D'íonóimisWe would purifyNí íonóimisWe would not purifyAn íonóimis?Would we purify?
sibh (you, plural)D'íonódh sibhYou would purifyNí íonódh sibhYou would not purifyAn íonódh sibh?Would you purify?
siad (they)D'íonóidísThey would purifyNí íonóidísThey would not purifyAn íonóidís?Would they purify?
saorbhriathar (autonomous)D'íonófaíNí íonófaíAn íonófaí?

“Íonaigh” in a sentence: Irish examples

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

D'íonaigh siad an t-uisce sular ól siad é.
They purified the water before they drank it.
Íonaíonn an scagaire seo an t-aer sa seomra.
This filter purifies the air in the room.
Íonóidh an gléasra nua uisce an bhaile.
The new plant will purify the town's water.
D'íonódh fiuchadh an t-uisce sin.
Boiling would purify that water.
Níor íonaigh siad an t-ór i gceart.
They did not refine the gold properly.
Ar íonaigh tú an t-uisce fós?
Did you purify the water yet?

Other verbs in Irish

More everyday Irish verbs to learn next.

To purify in Irish: frequently asked questions

What is the Irish for to purify?

The Irish for to purify is íonaigh (pronounced “EE-nee”). It is a second-conjugation verb; the verbal noun is íonú.

What is the verbal noun of íonaigh?

The verbal noun of íonaigh is íonú, used after ag for the continuous: ag íonú (purifying). The verbal adjective is íonaithe.

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

Past: D'íonaigh mé; negative Níor íonaigh mé; question Ar íonaigh mé?. Future: Íonóidh mé; negative Ní íonóidh mé; question An íonóidh mé?.

What is the modh coinníollach of íonaigh?

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

What is the difference between 'íonaigh' and 'glan'?

'Glan' is the everyday word for clean, while 'íonaigh' means to purify, often in a technical or spiritual sense, as in 'uisce a íonú'.

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