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Acting in Irish (Gníomhú): Meaning, Pronunciation, Usage

‘gníomhú’ also means: activation

The Irish for acting is gníomhú, a masculine noun. Ag gníomhú is acting, from the verb gníomhaigh.
Updated October 2026Report a mistake

How to say “acting” in Irish

Irish:
gníomhú
English:
acting, activation
Word type:
noun (verbal noun)
Verbal noun of:
gníomhaigh, to act (ag gníomhú, acting)
Gender:
masculine, fourth declension
Pronunciation:
“GNEEV-oo”  /ˈɟnʲiːvuː/
Various forms
Genitive singular:
gníomhaithe, an ghníomhaithe (e.g. am an ghníomhaithe, the time of acting)

What does “gníomhú” mean?

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

acting
Gníomhú is the verbal noun of the verb gníomhaigh, meaning the act of taking action or acting in some role.Also: action, taking action, operation.
1 other meaning: activation
2activation
The act of activating or setting something in operation, used especially in technical and scientific language.Also: activating, actuation.

Other Irish words for acting: aisteoireacht (acting)

“Gníomhú” as a verbal noun

After ag, gníomhú means acting: it is the verbal noun of the verb gníomhaigh (to act). A noun that follows it goes into the genitive.

agat
+
gníomhúverbal noun
=
ag gníomhúacting

“Gníomhú” with the article

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

an gníomhú
the acting
No change after an

“Gníomhú” in a sentence: Irish examples

Common Irish sentences using gníomhú, the Irish word for acting.

Tá gá le gníomhú anois.
Action is needed now.
Ní raibh an gníomhú tapa go leor.
The action wasn't quick enough.
Tháinig am an ghníomhaithe.
The time for action has come.
Tá an rialtas ag cur moille ar ghníomhú.
The government is delaying taking action.
Bhí sé ag gníomhú thar ceann a chomhlachta.
He was acting on behalf of his company.
Tá gníomhú láithreach ag teastáil ón bpobal.
The community wants immediate action.

Other nouns in Irish

More everyday Irish nouns to learn next.

Acting in Irish: frequently asked questions

What is the Irish for acting?

The Irish for acting is gníomhú (pronounced “GNEEV-oo”). It’s a masculine noun. Depending on context it can also mean activation.

How do you pronounce gníomhú in Irish?

Gníomhú is said like “GNEEV-oo” (IPA /ˈɟnʲiːvuː/).

Does gníomhú have a plural?

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

Does gníomhú have more than one meaning?

Yes. Gníomhú can mean acting or activation, depending on context; the first is the most common.

Why does gníomhú change to ghníomhú or ngníomhú?

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

What is the difference between gníomhú and gníomh?

Gníomh is a deed or an action as a thing done, while gníomhú is the process of acting or taking action, the verbal noun of gníomhaigh.

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