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Side in Irish (Slios): Meaning, Pronunciation, Usage

‘slios’ also means: slope · strip

The Irish for side is slios, a masculine noun (plural sleasa).
Updated October 2026Report a mistake

How to say “side” in Irish

Irish:
slios
English:
side, slope, strip
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“shlis”  /ʃlʲɪsˠ/
Various forms
Plural:
sleasa (sides)
Genitive singular:
sleasa, an tsleasa (e.g. barr an tsleasa, the top of the slope)
Genitive plural:
sleasa, na sleasa (e.g. fad na sleasa, the length of the sides)

What does “slios” mean?

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

side
The side or flank of something, such as a hill, a boat or a body.Also: flank, edge.
2 other meanings: slope or strip
2slope
A sloping surface or incline, such as the side of a hill.Also: incline, inclination, hillside.
3strip
A narrow strip or slice of land or material.Also: slice, sliver.

Other Irish words for side: taobh (side), foireann (team), leataobh (one side), cliathán (side)

“Slios” with the article

The plural of side in Irish is sleasa. Here is slios after the article (an t-alt), in the singular and the plural.

an slios
the side
No change after an
na sleasa
the sides
Plural: no change after na

“Slios” in a sentence: Irish examples

Common Irish sentences using slios, the Irish word for side.

Shiúlamar suas slios an chnoic.
We walked up the side of the hill.
Bhí an slios an-ghéar.
The slope was very steep.
Tá caoirigh ag innilt ar an slios.
Sheep are grazing on the slope.
Tá sleasa an ghleanna clúdaithe le fraoch.
The sides of the valley are covered with heather.
Thit sé síos le fána an tsleasa.
He fell down the slope.
Tá teach beag i slios an tsléibhe.
There is a small house on the mountainside.
Bhuail an tonn slios an bháid.
The wave struck the side of the boat.

Other nouns in Irish

More everyday Irish nouns to learn next.

Side in Irish: frequently asked questions

What is the Irish for side?

The Irish for side is slios (pronounced “shlis”). It’s a masculine noun and the plural is sleasa. Depending on context it can also mean slope or strip.

How do you pronounce slios in Irish?

Slios is said like “shlis” (IPA /ʃlʲɪsˠ/).

What is the plural of side in Irish?

The plural of slios is sleasa; with the article, na sleasa means “the sides”. The genitive plural is sleasa, as in fad na sleasa (the length of the sides).

Does slios have more than one meaning?

Yes. Slios can mean side, slope or strip, depending on context; the first is the most common.

Why does slios change to shlios?

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

What is the difference between slios and taobh?

Taobh is the everyday word for side; slios is used more for the side or slope of a hill, a boat or a body, as in slios an chnoic.

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