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Vaccination in Irish (Vacsaíniú): Meaning, Pronunciation, Usage

The Irish for vaccination is vacsaíniú, a masculine noun. Ag vacsaíniú is vaccinating, from the verb vacsaínigh.
Updated October 2026Report a mistake

How to say “vaccination” in Irish

Irish:
vacsaíniú
English:
vaccination
Word type:
noun (verbal noun)
Verbal noun of:
vacsaínigh, to vaccinate (ag vacsaíniú, vaccinating)
Gender:
masculine
Pronunciation:
“VAK-see-noo”  /ˈwakəsˠiːnʲuː/
Various forms
Genitive singular:
vacsaínithe, an vacsaínithe (e.g. clár vacsaínithe, vaccination programme)

What does “vacsaíniú” mean?

vaccination
The act of giving someone a vaccine to protect them against a disease; the verbal noun of the verb vacsaínigh.Also: vaccinating, immunisation, jab.

Other Irish words for vaccination: vacsaín (vaccine)

“Vacsaíniú” as a verbal noun

After ag, vacsaíniú means vaccinating: it is the verbal noun of the verb vacsaínigh (to vaccinate). A noun that follows it goes into the genitive.

agat
+
vacsaíniúverbal noun
=
ag vacsaíniúvaccinating

“Vacsaíniú” with the article

Here is vacsaíniú after the article (an t-alt).

an vacsaíniú
the vaccination
No change after an

“Vacsaíniú” in a sentence: Irish examples

Common Irish sentences using vacsaíniú, the Irish word for vaccination.

Tá vacsaíniú tábhachtach do pháistí óga.
Vaccination is important for young children.
Cuireadh tús leis an vacsaíniú inné.
The vaccination started yesterday.
Tá an clár vacsaínithe ag dul ar aghaidh go maith.
The vaccination programme is going well.
Fuair mé litir faoi mo vacsaíniú.
I got a letter about my vaccination.
Bhí ráta ard vacsaínithe sa tír.
There was a high vaccination rate in the country.
Tá an t-ionad vacsaínithe sa halla pobail.
The vaccination centre is in the community hall.
Labhair an dochtúir linn faoi vacsaíniú in aghaidh an fhliú.
The doctor spoke to us about vaccination against the flu.

Other nouns in Irish

More everyday Irish nouns to learn next.

Vaccination in Irish: frequently asked questions

What is the Irish for vaccination?

The Irish for vaccination is vacsaíniú (pronounced “VAK-see-noo”). It’s a masculine noun.

How do you pronounce vacsaíniú in Irish?

Vacsaíniú is said like “VAK-see-noo” (IPA /ˈwakəsˠiːnʲuː/).

Does vacsaíniú have a plural?

No plural form is given for vacsaíniú in the standard. Many abstract and mass nouns in Irish have no plural.

What is the difference between vacsaíniú and vacsaín?

Vacsaín is the vaccine itself, while vacsaíniú is the act of vaccinating: tá an vacsaín slán, ach tá an vacsaíniú ar siúl fós.

Is there another word for vaccination?

Imdhíonadh means immunisation more generally, and in everyday speech people often say instealladh for a jab or injection.

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