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Submarine in Irish (Fomhuireán): Meaning, Pronunciation, Usage

The Irish for submarine is fomhuireán, a masculine noun (plural fomhuireáin).
Updated October 2026Report a mistake

How to say “submarine” in Irish

Irish:
fomhuireán
English:
submarine
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“FO-wir-awn”  /ˈfˠoːwəɾʲɑːnˠ/
Various forms
Plural:
fomhuireáin (submarines)
Genitive singular:
fomhuireáin, an fhomhuireáin (e.g. captaen an fhomhuireáin, the captain of the submarine)
Genitive plural:
fomhuireán, na bhfomhuireán (e.g. cabhlach na bhfomhuireán, the fleet of the submarines)

What does “fomhuireán” mean?

submarine
A ship that can travel underwater, used especially by navies.Also: sub, u-boat, underwater vessel.

“Fomhuireán” with the article

The plural of submarine in Irish is fomhuireáin. Here is fomhuireán after the article (an t-alt), in the singular and the plural.

an fomhuireán
the submarine
No change after an
na fomhuireáin
the submarines
Plural: no change after na

“Fomhuireán” in a sentence: Irish examples

Common Irish sentences using fomhuireán, the Irish word for submarine.

Chonaiceamar fomhuireán sa chuan inné.
We saw a submarine in the harbour yesterday.
Chuaigh an fomhuireán faoin uisce go tapa.
The submarine dived quickly.
Bhí tríocha mairnéalach ar bord an fhomhuireáin.
There were thirty sailors aboard the submarine.
Tá fomhuireáin núicléacha ag an tír sin.
That country has nuclear submarines.
Ba bhreá liom taisteal i bhfomhuireán.
I would love to travel in a submarine.
Rinne mo mhac fomhuireán beag as cairtchlár.
My son made a little submarine out of cardboard.
Bhí sé ina chónaí san fhomhuireán ar feadh míosa.
He lived on the submarine for a month.

Other nouns in Irish

More everyday Irish nouns to learn next.

Submarine in Irish: frequently asked questions

What is the Irish for submarine?

The Irish for submarine is fomhuireán (pronounced “FO-wir-awn”). It’s a masculine noun and the plural is fomhuireáin.

How do you pronounce fomhuireán in Irish?

Fomhuireán is said like “FO-wir-awn” (IPA /ˈfˠoːwəɾʲɑːnˠ/).

What is the plural of submarine in Irish?

The plural of fomhuireán is fomhuireáin; with the article, na fomhuireáin means “the submarines”. The genitive plural is fomhuireán, as in cabhlach na bhfomhuireán (the fleet of the submarines).

Why does fomhuireán change to fhomhuireán or bhfomhuireán?

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

How is 'fomhuireán' formed?

It comes from 'fo-' (under) and 'muir' (sea), so 'fomhuireán' is literally an under-sea thing.

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