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Lighting in Irish (Lasadh): Meaning, Pronunciation, Usage

‘lasadh’ also means: blaze · flush

The Irish for lighting is lasadh, a masculine noun. Ag lasadh is lighting, from the verb las.
Updated October 2026Report a mistake

How to say “lighting” in Irish

Irish:
lasadh
English:
lighting, blaze, flush
Word type:
noun (verbal noun)
Verbal noun of:
las, to light (ag lasadh, lighting)
Gender:
masculine
Pronunciation:
“LASS-uh”  /ˈl̪ˠasˠə/
Various forms
Genitive singular:
lasta, an lasta (e.g. am lasta, lighting-up time)

What does “lasadh” mean?

“Lasadh” has three alternative meanings. The most common comes first.

lighting
The act of lighting or igniting something, such as a fire, a lamp or a light; the verbal noun of the verb 'las'.Also: ignition, kindling, switching on.
2 other meanings: blaze or flush
2blaze
The state of burning or shining brightly, a flare or blaze of light or fire.Also: flare, flash, burning.
3flush
A reddening of the face or skin, as from embarrassment, anger or heat.Also: blush, glow, reddening.

Other Irish words for lighting: fadú (kindling)

“Lasadh” as a verbal noun

After ag, lasadh means lighting: it is the verbal noun of the verb las (to light). A noun that follows it goes into the genitive.

agat
+
lasadhverbal noun
=
ag lasadhlighting

“Lasadh” with the article

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

an lasadh
the lighting
No change after an

“Lasadh” in a sentence: Irish examples

Common Irish sentences using lasadh, the Irish word for lighting.

Bhí an tine ar lasadh nuair a tháinig mé isteach.
The fire was lit when I came in.
Tá na soilse ar lasadh sa teach fós.
The lights are still on in the house.
Thosaigh sé ag lasadh na gcoinnle.
He started lighting the candles.
Tháinig lasadh ina leicne le náire.
Her cheeks flushed with embarrassment.
Lasadh na soilse sráide go luath anocht.
The street lights were lit early tonight.
Theip ar lasadh na tine arís.
The fire failed to light again.

Other nouns in Irish

More everyday Irish nouns to learn next.

Lighting in Irish: frequently asked questions

What is the Irish for lighting?

The Irish for lighting is lasadh (pronounced “LASS-uh”). It’s a masculine noun. Depending on context it can also mean blaze or flush.

How do you pronounce lasadh in Irish?

Lasadh is said like “LASS-uh” (IPA /ˈl̪ˠasˠə/).

Does lasadh have a plural?

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

Does lasadh have more than one meaning?

Yes. Lasadh can mean lighting, blaze or flush, depending on context; the first is the most common.

How do I say a light is 'on' in Irish?

Use 'ar lasadh': 'Tá an solas ar lasadh' means the light is on, and 'Tá an tine ar lasadh' means the fire is lit.

What is the difference between 'lasadh' and 'lasair'?

'Lasadh' is the act of lighting or a state of burning, while 'lasair' is a flame itself.

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