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Acceleration in Irish (Luathú): Meaning, Pronunciation, Usage

‘luathú’ also means: advancing

The Irish for acceleration is luathú, a masculine noun. Ag luathú is quickening, from the verb luathaigh.
Updated October 2026Report a mistake

How to say “acceleration” in Irish

Irish:
luathú
English:
acceleration, advancing
Word type:
noun (verbal noun)
Verbal noun of:
luathaigh, to quicken (ag luathú, quickening)
Gender:
masculine
Pronunciation:
“LOO-uh-hoo”  /ˈl̪ˠuəhuː/
Various forms
Genitive singular:
luathaithe, an luathaithe (e.g. ráta luathaithe, rate of acceleration)

What does “luathú” mean?

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

acceleration
The act of speeding something up or making it happen sooner; the verbal noun of luathaigh.Also: speeding up, hastening, quickening.
1 other meaning: advancing
2advancing
Bringing something forward to an earlier time, such as a date or event.Also: bringing forward, advance.

“Luathú” as a verbal noun

After ag, luathú means quickening: it is the verbal noun of the verb luathaigh (to quicken). A noun that follows it goes into the genitive.

agat
+
luathúverbal noun
=
ag luathúquickening

“Luathú” with the article

Here is luathú after the article (an t-alt).

an luathú
the acceleration
No change after an

“Luathú” in a sentence: Irish examples

Common Irish sentences using luathú, the Irish word for acceleration.

Tá luathú ag teacht ar an bhfás eacnamaíoch.
Economic growth is speeding up.
Chuir an luathú tobann iontas ar an tiománaí.
The sudden acceleration surprised the driver.
Thomhais na daltaí ráta luathaithe na liathróide.
The pupils measured the ball's rate of acceleration.
Bhí luathú suntasach sa phróiseas anuraidh.
There was a notable speeding up in the process last year.
Is cúis imní é luathú an athraithe aeráide.
The acceleration of climate change is a cause for concern.
D'iarr siad luathú ar an dáta cruinnithe.
They asked for the meeting date to be brought forward.
Ní fhaca mé luathú ar bith ar an obair.
I saw no speeding up of the work at all.

Other nouns in Irish

More everyday Irish nouns to learn next.

Acceleration in Irish: frequently asked questions

What is the Irish for acceleration?

The Irish for acceleration is luathú (pronounced “LOO-uh-hoo”). It’s a masculine noun. Depending on context it can also mean advancing.

How do you pronounce luathú in Irish?

Luathú is said like “LOO-uh-hoo” (IPA /ˈl̪ˠuəhuː/).

Does luathú have a plural?

No plural form is given for luathú in the standard. Many abstract and mass nouns in Irish have no plural.

Does luathú have more than one meaning?

Yes. Luathú can mean acceleration or advancing, depending on context; the first is the most common.

What is the difference between luathú and luas?

Luas means speed itself, while luathú is the act of increasing speed or making something happen sooner, from the verb luathaigh.

Can luathú mean bringing a date forward?

Yes, luathú can be used for bringing an event forward in time, as in luathú an toghcháin, the bringing forward of the election.

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