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Submarine in Irish (fomhuirí): Meaning, Forms, Examples

The Irish for submarine is fomhuirí: cábla fomhuirí, a submarine cable.
Updated October 2026Report a mistake

How to say “submarine” in Irish

Irish:
fomhuirí
English:
submarine
Word type:
adjective
More submarine:
níos fomhuirí
Most submarine:
is fomhuirí
Pronunciation:
“FOH-wur-ee”  /ˈfoːwəɾʲiː/

What does “fomhuirí” mean?

submarine
Existing, found or used under the surface of the sea.Also: undersea, underwater, subsea.

“Fomhuirí” after a noun

An Irish adjective comes after its noun. Here is fomhuirí after cábla (cable, masculine), after long (ship, feminine) and after a plural.

after a masculine nouncábla fomhuiría submarine cable
after a feminine nounlong fhomhuiría submarine ship
after a plural nouncáblaí fomhuirísubmarine cables

séimhiú (the h) the ending

feminine
longship
+
fomhuirísubmarine
=
long fhomhuiría submarine ship

After a feminine noun the adjective gets a séimhiú, an h after its first letter: long fhomhuirí. After a masculine noun it stays as it is: cábla fomhuirí.

plural
cáblaícables
+
fomhuirísubmarine, plural
=
cáblaí fomhuirísubmarine cables

With a plural noun the adjective takes its plural form, fomhuirí. It also gets an h after a plural that ends in a slender consonant; after other plurals it does not: longa fomhuirí.

More submarine, most submarine, very submarine

níosmore
+
fomhuirísubmarine
=
níos fomhuirímore submarine
ismost
+
fomhuirísubmarine
=
is fomhuirímost submarine

Tá an tollán seo níos fomhuirí ná an ceann eile. This tunnel is further under the sea than the other one.

more submarineníos fomhuiríin the past tense: ní b'fhomhuirí
most submarineis fomhuiríin the past tense: ab fhomhuirí
as submarine aschomh fomhuirí leno change after chomh
very submarinean-fhomhuirían- lenites, except d, t and s
too submarinerófhomhuiríró- lenites

“Fomhuirí” in a sentence: Irish examples

With a masculine noun, a feminine noun, a plural, a comparison and on its own.

Leagadh cábla fomhuirí idir Éirinn agus an Bhreatain.
A submarine cable was laid between Ireland and Britain.
Is long fhomhuirí í sin.
That is a submarine vessel.
Tá na cáblaí fomhuirí an-tábhachtach don idirlíon.
Undersea cables are very important for the internet.
Tá an tollán seo níos fomhuirí ná an ceann eile.
This tunnel is further under the sea than the other one.
Tá an phíblíne fomhuirí.
The pipeline is undersea.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Submarine in Irish: frequently asked questions

What is the Irish for submarine?

The Irish for submarine is fomhuirí (pronounced “FOH-wur-ee”). It comes after the noun: cábla fomhuirí, a submarine cable; long fhomhuirí, a submarine ship.

How do you say more submarine and most submarine in Irish?

níos fomhuirí is more submarine and is fomhuirí is most submarine. In the past tense they become ní b'fhomhuirí and ab fhomhuirí.

Why does fomhuirí become fhomhuirí?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So long fhomhuirí (a submarine ship) but cábla fomhuirí (a submarine cable), because cábla is masculine.

How do you say very submarine in Irish?

an-fhomhuirí. Too submarine is rófhomhuirí, and as submarine as is chomh fomhuirí le.

What is the Irish noun for a submarine boat?

The noun is 'fomhuireán', while 'fomhuirí' is the adjective, as in 'cábla fomhuirí'.

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