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

The Irish for infection is galrú, a masculine noun. Ag galrú is infecting, from the verb galraigh.
Updated October 2026Report a mistake

How to say “infection” in Irish

Irish:
galrú
English:
infection
Word type:
noun (verbal noun)
Verbal noun of:
galraigh, to infect (ag galrú, infecting)
Gender:
masculine
Pronunciation:
“GAWL-roo”  /ˈɡal̪ˠɾˠuː/
Various forms
Genitive singular:
galraithe, an ghalraithe (e.g. baol galraithe, risk of infection)

What does “galrú” mean?

infection
The process of becoming diseased or infected; the verbal noun of the verb galraigh (infect).Also: infecting, contamination, contagion.

“Galrú” as a verbal noun

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

agat
+
galrúverbal noun
=
ag galrúinfecting

“Galrú” with the article

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

an galrú
the infection
No change after an

“Galrú” in a sentence: Irish examples

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

Tá galrú sa chneá.
The wound is infected.
Cuireann an t-uisce salach galrú ar dhaoine.
Dirty water infects people.
Tá baol galraithe ann san ospidéal.
There is a risk of infection in the hospital.
Cosc ar ghalrú is ea an sláinteachas.
Hygiene prevents infection.
Scaip an galrú go tapa sa tréad.
The infection spread quickly through the herd.
Ní raibh aon chomhartha galraithe air.
He showed no sign of infection.
Thug an dochtúir antaibheathach dó i gcoinne an ghalraithe.
The doctor gave him an antibiotic against the 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 galrú (pronounced “GAWL-roo”). It’s a masculine noun.

How do you pronounce galrú in Irish?

Galrú is said like “GAWL-roo” (IPA /ˈɡal̪ˠɾˠuː/).

Does galrú have a plural?

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

Why does galrú change to ghalrú or ngalrú?

Irish changes the start of some words after certain words. After mo (my) galrú becomes mo ghalrú (lenition), and after ár (our) or i (in) it becomes ár ngalrú (eclipsis).

Is galrú the usual word for infection?

In everyday medical Irish ionfhabhtú is more common for an infection; galrú stresses the act of infecting or contaminating, from galar, disease.

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