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Vaccine in Irish (Vacsaín): Meaning, Pronunciation, Usage

The Irish for vaccine is vacsaín, a feminine noun (plural vacsaíní).
Updated October 2026Report a mistake

How to say “vaccine” in Irish

Irish:
vacsaín
English:
vaccine
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“VAK-see-in”  /ˈwakˠsˠiːnʲ/
Various forms
Plural:
vacsaíní (vaccines)
Genitive singular:
vacsaíne, na vacsaíne (e.g. dáileog na vacsaíne, dose of the vaccine)
Genitive plural:
vacsaíní, na vacsaíní (e.g. forbairt na vacsaíní, the development of the vaccines)

What does “vacsaín” mean?

vaccine
A substance given to a person or animal, usually by injection, to protect them against a disease.Also: vaccination, jab, inoculation.

“Vacsaín” with the article

The plural of vaccine in Irish is vacsaíní. Here is vacsaín after the article (an t-alt), in the singular and the plural.

an vacsaín
the vaccine
No change after an
na vacsaíní
the vaccines
Plural: no change after na

“Vacsaín” in a sentence: Irish examples

Common Irish sentences using vacsaín, the Irish word for vaccine.

Fuair mé vacsaín inné.
I got a vaccine yesterday.
Tá an vacsaín slán agus éifeachtach.
The vaccine is safe and effective.
Ní bhfuair sé an dara dáileog den vacsaín fós.
He hasn't got the second dose of the vaccine yet.
Tá vacsaíní nua á bhforbairt i gcónaí.
New vaccines are always being developed.
Bhí mo lámh tinn tar éis na vacsaíne.
My arm was sore after the vaccine.
Tugadh an vacsaín do na páistí ar scoil.
The children were given the vaccine at school.
Cá fhad a mhaireann éifeacht na vacsaíne?
How long does the effect of the vaccine last?

Other nouns in Irish

More everyday Irish nouns to learn next.

Vaccine in Irish: frequently asked questions

What is the Irish for vaccine?

The Irish for vaccine is vacsaín (pronounced “VAK-see-in”). It’s a feminine noun and the plural is vacsaíní.

How do you pronounce vacsaín in Irish?

Vacsaín is said like “VAK-see-in” (IPA /ˈwakˠsˠiːnʲ/).

What is the plural of vaccine in Irish?

The plural of vacsaín is vacsaíní; with the article, na vacsaíní means “the vaccines”. The genitive plural is vacsaíní, as in forbairt na vacsaíní (the development of the vaccines).

What is the Irish for 'vaccination'?

The act of vaccinating is 'vacsaíniú', while the substance itself is 'vacsaín'. To vaccinate is 'vacsaínigh'.

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