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To sterilize in Irish (steiriligh): Meaning, Conjugation, Examples

The Irish for to sterilize is steiriligh; ag steiriliú is sterilizing.
Updated October 2026Report a mistake

How to say “to sterilize” in Irish

Irish:
steiriligh
English:
to sterilize
Word type:
verb, second-conjugation
Verbal noun:
steiriliú (ag steiriliú, sterilizing)
Verbal adjective:
steirilithe
Pronunciation:
“SHTER-il-ee”  /ʃtʲɛɾʲəlʲiː/

What does “steiriligh” mean?

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

to sterilize
To make something free from germs, usually by heating or cleaning it thoroughly.Also: sterilise, disinfect.
1 other meaning:
2to sterilize
To make a person or animal unable to have young.Also: neuter, spay.

“Steiriligh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)Steiriligh méI sterilizedNíor steiriligh méI did not sterilizeAr steiriligh mé?Did I sterilize?
tú (you)Steiriligh túYou sterilizedNíor steiriligh túYou did not sterilizeAr steiriligh tú?Did you sterilize?
sé / sí (he / she)Steiriligh sé / síHe sterilizedNíor steiriligh sé / síHe did not sterilizeAr steiriligh sé / sí?Did he sterilize?
sinn (we)SteirilíomarWe sterilizedNíor steirilíomarWe did not sterilizeAr steirilíomar?Did we sterilize?
sibh (you, plural)Steiriligh sibhYou sterilizedNíor steiriligh sibhYou did not sterilizeAr steiriligh sibh?Did you sterilize?
siad (they)Steiriligh siadThey sterilizedNíor steiriligh siadThey did not sterilizeAr steiriligh siad?Did they sterilize?
saorbhriathar (autonomous)SteirilíodhNíor steirilíodhAr steirilíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)SteirilímI sterilizeNí steirilímI do not sterilizeAn steirilím?Do I sterilize?
tú (you)Steirilíonn túYou sterilizeNí steirilíonn túYou do not sterilizeAn steirilíonn tú?Do you sterilize?
sé / sí (he / she)Steirilíonn sé / síHe sterilizesNí steirilíonn sé / síHe does not sterilizeAn steirilíonn sé / sí?Does he sterilize?
sinn (we)SteirilímidWe sterilizeNí steirilímidWe do not sterilizeAn steirilímid?Do we sterilize?
sibh (you, plural)Steirilíonn sibhYou sterilizeNí steirilíonn sibhYou do not sterilizeAn steirilíonn sibh?Do you sterilize?
siad (they)Steirilíonn siadThey sterilizeNí steirilíonn siadThey do not sterilizeAn steirilíonn siad?Do they sterilize?
saorbhriathar (autonomous)SteirilítearNí steirilítearAn steirilítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Steirileoidh méI will sterilizeNí steirileoidh méI will not sterilizeAn steirileoidh mé?Will I sterilize?
tú (you)Steirileoidh túYou will sterilizeNí steirileoidh túYou will not sterilizeAn steirileoidh tú?Will you sterilize?
sé / sí (he / she)Steirileoidh sé / síHe will sterilizeNí steirileoidh sé / síHe will not sterilizeAn steirileoidh sé / sí?Will he sterilize?
sinn (we)SteirileoimidWe will sterilizeNí steirileoimidWe will not sterilizeAn steirileoimid?Will we sterilize?
sibh (you, plural)Steirileoidh sibhYou will sterilizeNí steirileoidh sibhYou will not sterilizeAn steirileoidh sibh?Will you sterilize?
siad (they)Steirileoidh siadThey will sterilizeNí steirileoidh siadThey will not sterilizeAn steirileoidh siad?Will they sterilize?
saorbhriathar (autonomous)SteirileofarNí steirileofarAn steirileofar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)SteirileoinnI would sterilizeNí steirileoinnI would not sterilizeAn steirileoinn?Would I sterilize?
tú (you)SteirileofáYou would sterilizeNí steirileofáYou would not sterilizeAn steirileofá?Would you sterilize?
sé / sí (he / she)Steirileodh sé / síHe would sterilizeNí steirileodh sé / síHe would not sterilizeAn steirileodh sé / sí?Would he sterilize?
sinn (we)SteirileoimisWe would sterilizeNí steirileoimisWe would not sterilizeAn steirileoimis?Would we sterilize?
sibh (you, plural)Steirileodh sibhYou would sterilizeNí steirileodh sibhYou would not sterilizeAn steirileodh sibh?Would you sterilize?
siad (they)SteirileoidísThey would sterilizeNí steirileoidísThey would not sterilizeAn steirileoidís?Would they sterilize?
saorbhriathar (autonomous)SteirileofaíNí steirileofaíAn steirileofaí?

“Steiriligh” in a sentence: Irish examples

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

Steiriligh an bhanaltra na huirlisí roimh an obráid.
The nurse sterilized the instruments before the operation.
Steirilíonn sí buidéil an linbh gach maidin.
She sterilizes the baby's bottles every morning.
Steirileoidh mé na prócaí sula gcuirfidh mé an subh iontu.
I will sterilize the jars before I put the jam in them.
Steirileodh an t-uisce fiuchta an scian.
The boiling water would sterilize the knife.
Níor steiriligh siad an tsnáthaid i gceart.
They didn't sterilize the needle properly.
Ar steiriligh tú na buidéil fós?
Have you sterilized the bottles yet?

Other verbs in Irish

More everyday Irish verbs to learn next.

To sterilize in Irish: frequently asked questions

What is the Irish for to sterilize?

The Irish for to sterilize is steiriligh (pronounced “SHTER-il-ee”). It is a second-conjugation verb; the verbal noun is steiriliú.

What is the verbal noun of steiriligh?

The verbal noun of steiriligh is steiriliú, used after ag for the continuous: ag steiriliú (sterilizing). The verbal adjective is steirilithe.

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

Past: Steiriligh mé; negative Níor steiriligh mé; question Ar steiriligh mé?. Future: Steirileoidh mé; negative Ní steirileoidh mé; question An steirileoidh mé?.

What is the modh coinníollach of steiriligh?

The conditional (modh coinníollach) first person is Steirileoinn (I would sterilize); negative Ní steirileoinn; question An steirileoinn?.

What is the difference between 'steiriligh' and 'díghalraigh'?

'Steiriligh' means to make completely free of germs, while 'díghalraigh' means to disinfect, reducing germs with a chemical. A sterilized object is 'steirilithe'.

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