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Accelerator in Irish (Luasaire): Meaning, Pronunciation, Usage

The Irish for accelerator is luasaire, a masculine noun (plural luasairí).
Updated October 2026Report a mistake

How to say “accelerator” in Irish

Irish:
luasaire
English:
accelerator
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“LOO-uh-sir-uh”  /ˈl̪ˠuəsˠəɾʲə/
Various forms
Plural:
luasairí (accelerators)
Genitive singular:
luasaire, an luasaire (e.g. troitheán an luasaire, the accelerator pedal)
Genitive plural:
luasairí, na luasairí (e.g. dearadh na luasairí, the design of the accelerators)

What does “luasaire” mean?

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

accelerator
A pedal or device that makes a vehicle or machine go faster.Also: accelerator pedal, gas pedal, throttle.
1 other meaning:
2accelerator
In physics, a machine that speeds up particles to very high energies.Also: particle accelerator.

“Luasaire” with the article

The plural of accelerator in Irish is luasairí. Here is luasaire after the article (an t-alt), in the singular and the plural.

an luasaire
the accelerator
No change after an
na luasairí
the accelerators
Plural: no change after na

“Luasaire” in a sentence: Irish examples

Common Irish sentences using luasaire, the Irish word for accelerator.

Brúigh síos an luasaire go réidh.
Press down the accelerator gently.
Bhain sé a chos den luasaire.
He took his foot off the accelerator.
Tá an luasaire greamaithe sa charr seo.
The accelerator is stuck in this car.
Bhí mo chos ar an luasaire an t-am ar fad.
My foot was on the accelerator the whole time.
Bhí fadhb le cábla an luasaire.
There was a problem with the accelerator cable.
Tógtar luasairí móra i saotharlanna fisice.
Large accelerators are built in physics laboratories.
Is luasaire cáithníní é an gléas sin.
That device is a particle accelerator.

Other nouns in Irish

More everyday Irish nouns to learn next.

Accelerator in Irish: frequently asked questions

What is the Irish for accelerator?

The Irish for accelerator is luasaire (pronounced “LOO-uh-sir-uh”). It’s a masculine noun and the plural is luasairí.

How do you pronounce luasaire in Irish?

Luasaire is said like “LOO-uh-sir-uh” (IPA /ˈl̪ˠuəsˠəɾʲə/).

What is the plural of accelerator in Irish?

The plural of luasaire is luasairí; with the article, na luasairí means “the accelerators”. The genitive plural is luasairí, as in dearadh na luasairí (the design of the accelerators).

How is 'luasaire' related to 'luas'?

'Luasaire' is formed from 'luas' (speed) with the agent suffix '-aire', so it literally means a thing that gives speed; the verb is 'luasghéaraigh' (accelerate).

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