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Breaker in Irish (Bristeoir): Meaning, Pronunciation, Usage

‘bristeoir’ also means: circuit breaker

The Irish for breaker is bristeoir, a masculine noun (plural bristeoirí).
Updated October 2026Report a mistake

How to say “breaker” in Irish

Irish:
bristeoir
English:
breaker, circuit breaker
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“BRISH-tyohr”  /ˈbʲɾʲiʃtʲoːɾʲ/
Various forms
Plural:
bristeoirí (breakers)
Genitive singular:
bristeora, an bhristeora (e.g. lámh an bhristeora, the breaker's hand)
Genitive plural:
bristeoirí, na mbristeoirí (e.g. obair na mbristeoirí, the work of the breakers)

What does “bristeoir” mean?

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

breaker
A person or thing that breaks something.Also: smasher, wrecker.
1 other meaning: circuit breaker
2circuit breaker
An electrical device that cuts off the current when there is a fault.Also: breaker, trip switch.

“Bristeoir” with the article

The plural of breaker in Irish is bristeoirí. Here is bristeoir after the article (an t-alt), in the singular and the plural.

an bristeoir
the breaker
No change after an
na bristeoirí
the breakers
Plural: no change after na

“Bristeoir” in a sentence: Irish examples

Common Irish sentences using bristeoir, the Irish word for breaker.

Is bristeoir mór gloine é an páiste sin.
That child is a great breaker of glass.
Thit an bristeoir agus chuaigh na soilse as.
The breaker tripped and the lights went out.
Cá bhfuil an bristeoir sa teach seo?
Where is the breaker in this house?
Chuir an leictreoir bristeoirí nua isteach.
The electrician installed new breakers.
Bhrúigh mé cnaipe an bhristeora arís.
I pressed the breaker's button again.
Tá fadhb le mo bhristeoir le seachtain.
There has been a problem with my breaker for a week.
Tá na bristeoirí i mbosca faoin staighre.
The breakers are in a box under the stairs.

Other nouns in Irish

More everyday Irish nouns to learn next.

Breaker in Irish: frequently asked questions

What is the Irish for breaker?

The Irish for breaker is bristeoir (pronounced “BRISH-tyohr”). It’s a masculine noun and the plural is bristeoirí. Depending on context it can also mean circuit breaker.

How do you pronounce bristeoir in Irish?

Bristeoir is said like “BRISH-tyohr” (IPA /ˈbʲɾʲiʃtʲoːɾʲ/).

What is the plural of breaker in Irish?

The plural of bristeoir is bristeoirí; with the article, na bristeoirí means “the breakers”. The genitive plural is bristeoirí, as in obair na mbristeoirí (the work of the breakers).

Does bristeoir have more than one meaning?

Yes. Bristeoir can mean breaker or circuit breaker, depending on context; the first is the most common.

Why does bristeoir change to bhristeoir or mbristeoir?

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

Is 'bristeoir' related to 'bris'?

Yes, 'bristeoir' comes from the verb 'bris' (break) with the agent suffix '-eoir', like 'briseadh' (breaking).

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