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Frost in Irish (Cuisne): Meaning, Pronunciation, Usage

‘cuisne’ also means: chill

The Irish for frost is cuisne, a masculine noun.
Updated October 2026Report a mistake

How to say “frost” in Irish

Irish:
cuisne
English:
frost, chill
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“KUSH-nyuh”  /ˈkɪʃnʲə/
Various forms
Genitive singular:
cuisne, an chuisne (e.g. bláth an chuisne, the bloom of the frost)

What does “cuisne” mean?

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

frost
A thin white covering of tiny ice crystals that forms on surfaces in very cold weather.Also: hoarfrost, rime, hard frost.
1 other meaning: chill
2chill
Intense cold, or a freezing chill in the air.Also: frostiness, icy cold.

Other Irish words for frost: reo (frost), sioc (frost), siocán (frost)

“Cuisne” with the article

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

an cuisne
the frost
No change after an

“Cuisne” in a sentence: Irish examples

Common Irish sentences using cuisne, the Irish word for frost.

Bhí cuisne ar an bhféar ar maidin.
There was frost on the grass this morning.
Tá an cuisne ag leá anois.
The frost is melting now.
Mhill an cuisne na bláthanna sa ghairdín.
The frost ruined the flowers in the garden.
Bhí an fhuinneog clúdaithe le cuisne.
The window was covered with frost.
Scríob sé an cuisne den ghaothscáth.
He scraped the frost off the windscreen.
Bhí loinnir an chuisne ar na crainn.
The trees glittered with frost.
Bíonn cuisne trom ann i mí Eanáir.
There is heavy frost in January.

Other nouns in Irish

More everyday Irish nouns to learn next.

Frost in Irish: frequently asked questions

What is the Irish for frost?

The Irish for frost is cuisne (pronounced “KUSH-nyuh”). It’s a masculine noun. Depending on context it can also mean chill.

How do you pronounce cuisne in Irish?

Cuisne is said like “KUSH-nyuh” (IPA /ˈkɪʃnʲə/).

Does cuisne have a plural?

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

Does cuisne have more than one meaning?

Yes. Cuisne can mean frost or chill, depending on context; the first is the most common.

Why does cuisne change to chuisne or gcuisne?

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

What is the difference between cuisne and sioc?

Sioc is the everyday word for frost and freezing weather, while cuisne usually means the visible white hoarfrost or rime on surfaces and is somewhat more literary.

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