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Formation in Irish (Foirmiú): Meaning, Pronunciation, Usage

The Irish for formation is foirmiú, a masculine noun (plural foirmithe). Ag foirmiú is forming, from the verb foirmigh.
Updated October 2026Report a mistake

How to say “formation” in Irish

Irish:
foirmiú
English:
formation
Word type:
noun (verbal noun)
Verbal noun of:
foirmigh, to form (ag foirmiú, forming)
Gender:
masculine
Pronunciation:
“FUR-im-oo”  /ˈfˠɪɾʲəmʲuː/
Various forms
Plural:
foirmithe (formations)
Genitive singular:
foirmithe, an fhoirmithe (e.g. próiseas an fhoirmithe, the process of formation)
Genitive plural:
foirmithe, na bhfoirmithe (e.g. staidéar ar fhoirmithe carraige, a study of rock formations)

What does “foirmiú” mean?

formation
The act or process of forming or shaping something; it is the verbal noun of the verb foirmigh.Also: forming, shaping, development.

“Foirmiú” as a verbal noun

After ag, foirmiú means forming: it is the verbal noun of the verb foirmigh (to form). A noun that follows it goes into the genitive.

agat
+
foirmiúverbal noun
=
ag foirmiúforming

“Foirmiú” with the article

The plural of formation in Irish is foirmithe. Here is foirmiú after the article (an t-alt), in the singular and the plural.

an foirmiú
the formation
No change after an
na foirmithe
the formations
Plural: no change after na

“Foirmiú” in a sentence: Irish examples

Common Irish sentences using foirmiú, the Irish word for formation.

Tá foirmiú na scamall an-suimiúil.
The formation of clouds is very interesting.
Thosaigh foirmiú an rialtais nua inné.
The formation of the new government began yesterday.
Labhair an múinteoir faoi fhoirmiú na sléibhte.
The teacher talked about how mountains are formed.
Is céim thábhachtach é foirmiú an choiste.
Forming the committee is an important step.
Chonaiceamar foirmithe aisteacha carraige cois farraige.
We saw strange rock formations by the sea.
Bhí ról lárnach aici i bhfoirmiú an chumainn.
She played a central role in forming the society.
Tógann foirmiú criostail na céadta bliain uaireanta.
Crystal formation sometimes takes hundreds of years.

Other nouns in Irish

More everyday Irish nouns to learn next.

Formation in Irish: frequently asked questions

What is the Irish for formation?

The Irish for formation is foirmiú (pronounced “FUR-im-oo”). It’s a masculine noun and the plural is foirmithe.

How do you pronounce foirmiú in Irish?

Foirmiú is said like “FUR-im-oo” (IPA /ˈfˠɪɾʲəmʲuː/).

What is the plural of formation in Irish?

The plural of foirmiú is foirmithe; with the article, na foirmithe means “the formations”. The genitive plural is foirmithe, as in staidéar ar fhoirmithe carraige (a study of rock formations).

Why does foirmiú change to fhoirmiú or bhfoirmiú?

Irish changes the start of some words after certain words. After mo (my) foirmiú becomes m'fhoirmiú (lenition), and after ár (our) or i (in) it becomes ár bhfoirmiú (eclipsis).

What is the difference between foirmiú and bunú?

Foirmiú stresses the shaping or forming of something, as in foirmiú na gcarraigeacha, while bunú means founding or establishing, as in bunú comhlachta.

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