HeyRua Get the app

Infection in Irish (Ionfhabhtú): Meaning, Pronunciation, Usage

The Irish for infection is ionfhabhtú, a masculine noun (plural ionfhabhtuithe). Ag ionfhabhtú is infecting, from the verb ionfhabhtaigh.
Updated October 2026Report a mistake

How to say “infection” in Irish

Irish:
ionfhabhtú
English:
infection
Word type:
noun (verbal noun)
Verbal noun of:
ionfhabhtaigh, to infect (ag ionfhabhtú, infecting)
Gender:
masculine
Pronunciation:
“IN-ow-too”  /ˈɪnˌaut̪ˠuː/
Various forms
Plural:
ionfhabhtuithe (infections)
Genitive singular:
ionfhabhtaithe, an ionfhabhtaithe (e.g. comharthaí an ionfhabhtaithe, symptoms of the infection)
Genitive plural:
ionfhabhtuithe, na n-ionfhabhtuithe (e.g. líon na n-ionfhabhtuithe, the number of infections)

What does “ionfhabhtú” mean?

infection
The act or process of infecting, or the state of being infected by germs; it is the verbal noun of the verb ionfhabhtaigh.Also: infecting, contamination.

“Ionfhabhtú” as a verbal noun

After ag, ionfhabhtú means infecting: it is the verbal noun of the verb ionfhabhtaigh (to infect). A noun that follows it goes into the genitive.

agat
+
ionfhabhtúverbal noun
=
ag ionfhabhtúinfecting

“Ionfhabhtú” with the article

The plural of infection in Irish is ionfhabhtuithe. Here is ionfhabhtú after the article (an t-alt), in the singular and the plural.

an t-ionfhabhtú
the infection
Masculine nouns take t before a vowel after an
na hionfhabhtuithe
the infections
Plural: na adds h before a vowel

“Ionfhabhtú” in a sentence: Irish examples

Common Irish sentences using ionfhabhtú, the Irish word for infection.

Tá ionfhabhtú ar an gcréacht.
The wound is infected.
Thug an dochtúir antaibheathach dom don ionfhabhtú.
The doctor gave me an antibiotic for the infection.
Scaip an t-ionfhabhtú go tapa.
The infection spread quickly.
Bhí riosca ionfhabhtaithe ann tar éis na hobráide.
There was a risk of infection after the operation.
Tá méadú ar ionfhabhtuithe san ospidéal.
Infections are increasing in the hospital.
Ghlan sí an gearradh chun ionfhabhtú a chosc.
She cleaned the cut to prevent infection.
Bhí ionfhabhtú cluaise ar mo mhac.
My son had an ear infection.

Other nouns in Irish

More everyday Irish nouns to learn next.

Infection in Irish: frequently asked questions

What is the Irish for infection?

The Irish for infection is ionfhabhtú (pronounced “IN-ow-too”). It’s a masculine noun and the plural is ionfhabhtuithe.

How do you pronounce ionfhabhtú in Irish?

Ionfhabhtú is said like “IN-ow-too” (IPA /ˈɪnˌaut̪ˠuː/).

What is the plural of infection in Irish?

The plural of ionfhabhtú is ionfhabhtuithe; with the article, na hionfhabhtuithe means “the infections”. The genitive plural is ionfhabhtuithe, as in líon na n-ionfhabhtuithe (the number of infections).

Why does ionfhabhtú sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-ionfhabhtú (the infection), a hionfhabhtú (her infection), a n-ionfhabhtú (their infection), na hionfhabhtuithe (the infections).

Is there a verb for 'to infect' related to ionfhabhtú?

Yes, the verb is ionfhabhtaigh, and 'infected' is ionfhabhtaithe, as in créacht ionfhabhtaithe, 'an infected wound'.

Learn Irish by
actually speaking it

Learn everyday Irish words like ionfhabhtú through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen