HeyRua Get the app

Fuse in Irish (Fiús): Meaning, Pronunciation, Usage

The Irish for fuse is fiús, a masculine noun (plural fiúsanna).
Updated October 2026Report a mistake

How to say “fuse” in Irish

Irish:
fiús
English:
fuse
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“fyoos”  /fʲuːsˠ/
Various forms
Plural:
fiúsanna (fuses)
Genitive singular:
fiúis, an fhiúis (e.g. sreang an fhiúis, the fuse wire)
Genitive plural:
fiúsanna, na bhfiúsanna (e.g. bosca fiúsanna, fuse box)

What does “fiús” mean?

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

fuse
A small safety device in an electric circuit or plug that melts and breaks the circuit if the current is too strong.Also: electrical fuse, plug fuse, fuse wire.
1 other meaning:
2fuse
A cord or device used to set off an explosive charge.Also: detonator fuse, slow match.

“Fiús” with the article

The plural of fuse in Irish is fiúsanna. Here is fiús after the article (an t-alt), in the singular and the plural.

an fiús
the fuse
No change after an
na fiúsanna
the fuses
Plural: no change after na

“Fiús” in a sentence: Irish examples

Common Irish sentences using fiús, the Irish word for fuse.

Shéid an fiús agus d'imigh na soilse.
The fuse blew and the lights went out.
Tá fiús nua de dhíth ar an bpluga seo.
This plug needs a new fuse.
Cá bhfuil an bosca fiúsanna sa teach?
Where is the fuse box in the house?
Cheannaigh mé paicéad fiúsanna sa siopa.
I bought a packet of fuses in the shop.
Athraigh an fiús sula n-úsáideann tú an citeal.
Change the fuse before you use the kettle.
Bhí an locht i sreang an fhiúis.
The fault was in the fuse wire.
Las sé an fiús agus rith sé leis.
He lit the fuse and ran off.

Other nouns in Irish

More everyday Irish nouns to learn next.

Fuse in Irish: frequently asked questions

What is the Irish for fuse?

The Irish for fuse is fiús (pronounced “fyoos”). It’s a masculine noun and the plural is fiúsanna.

How do you pronounce fiús in Irish?

Fiús is said like “fyoos” (IPA /fʲuːsˠ/).

What is the plural of fuse in Irish?

The plural of fiús is fiúsanna; with the article, na fiúsanna means “the fuses”. The genitive plural is fiúsanna, as in bosca fiúsanna (fuse box).

Why does fiús change to fhiús or bhfiús?

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

How do I say 'the fuse blew' in Irish?

The usual phrase is 'shéid an fiús'.

Learn Irish by
actually speaking it

Learn everyday Irish words like fiús through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen