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Mountain in Irish (Sliabh): Meaning, Pronunciation, Usage

‘sliabh’ also means: moor

The Irish for mountain is sliabh, a masculine noun (plural sléibhte).
Updated October 2026Report a mistake

How to say “mountain” in Irish

Irish:
sliabh
English:
mountain, moor
Word type:
noun
Gender:
masculine, second declension
Pronunciation:
“shleev”  /ʃlʲiəvˠ/
Various forms
Plural:
sléibhte (mountains)
Genitive singular:
sléibhe, an tsléibhe (e.g. barr an tsléibhe, the top of the mountain)
Genitive plural:
sléibhte, na sléibhte (e.g. ag siúl na sléibhte, walking the mountains)

What does “sliabh” mean?

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

mountain
A very high hill or large mass of land rising well above the surrounding country.Also: mount, peak, mountain range.
1 other meaning: moor
2moor
An area of high, open, uncultivated land, often boggy and covered in heather.Also: moorland, upland, heath.

“Sliabh” with the article

The plural of mountain in Irish is sléibhte. Here is sliabh after the article (an t-alt), in the singular and the plural.

an sliabh
the mountain
No change after an
na sléibhte
the mountains
Plural: no change after na

“Sliabh” in a sentence: Irish examples

Common Irish sentences using sliabh, the Irish word for mountain.

Chuamar suas an sliabh inné.
We went up the mountain yesterday.
Bhí ceo ar bharr an tsléibhe ar maidin.
There was fog on the top of the mountain this morning.
Is breá liom siúl sna sléibhte.
I love walking in the mountains.
Tá caoirigh m'uncail ar an sliabh.
My uncle's sheep are on the mountain.
Tá teach beag aici ag bun an tsléibhe.
She has a small house at the foot of the mountain.
Is é Corrán Tuathail an sliabh is airde in Éirinn.
Carrauntoohil is the highest mountain in Ireland.
Tá sléibhte arda le feiceáil ón bhfuinneog.
High mountains can be seen from the window.

Other nouns in Irish

More everyday Irish nouns to learn next.

Mountain in Irish: frequently asked questions

What is the Irish for mountain?

The Irish for mountain is sliabh (pronounced “shleev”). It’s a masculine noun and the plural is sléibhte. Depending on context it can also mean moor.

How do you pronounce sliabh in Irish?

Sliabh is said like “shleev” (IPA /ʃlʲiəvˠ/).

What is the plural of mountain in Irish?

The plural of sliabh is sléibhte; with the article, na sléibhte means “the mountains”. The genitive plural is sléibhte, as in ag siúl na sléibhte (walking the mountains).

Does sliabh have more than one meaning?

Yes. Sliabh can mean mountain or moor, depending on context; the first is the most common.

Why does sliabh change to shliabh?

After words like mo (my) and do (your) the first letter is lenited: mo shliabh. After ár (our) it stays ár sliabh, because s does not take eclipsis.

What is the difference between 'sliabh' and 'cnoc'?

'Sliabh' is a mountain or high moorland, while 'cnoc' is usually a hill, though place names do not always follow this strictly.

Why do so many place names begin with 'Slieve'?

'Slieve' is the anglicised form of 'sliabh', as in Sliabh Dónairt (Slieve Donard).

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