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Lullaby in Irish (Suantraí): Meaning, Pronunciation, Usage

‘suantraí’ also means: sleep music

The Irish for lullaby is suantraí, a feminine noun (plural suantraithe).
Updated October 2026Report a mistake

How to say “lullaby” in Irish

Irish:
suantraí
English:
lullaby, sleep music
Word type:
noun
Gender:
feminine, fourth declension
Pronunciation:
“SOON-tree”  /ˈsˠuən̪ˠt̪ˠɾˠiː/
Various forms
Plural:
suantraithe (lullabies)
Genitive singular:
suantraí, na suantraí (e.g. focail na suantraí, the words of the lullaby)
Genitive plural:
suantraithe, na suantraithe (e.g. leabhar suantraithe, a book of lullabies)

What does “suantraí” mean?

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

lullaby
A soft, gentle song sung to lull a child to sleep.Also: cradle song, sleep song, slumber song.
1 other meaning: sleep music
2sleep music
In traditional Irish music, the strain of music that brings sleep, one of the three classic strains alongside goltraí and geantraí.Also: sleep strain, soothing music.

Other Irish words for lullaby: seoithín (lullaby)

“Suantraí” with the article

The plural of lullaby in Irish is suantraithe. Here is suantraí after the article (an t-alt), in the singular and the plural.

an tsuantraí
the lullaby
Feminine nouns take t before s after an
na suantraithe
the lullabies
Plural: no change after na

“Suantraí” in a sentence: Irish examples

Common Irish sentences using suantraí, the Irish word for lullaby.

Chan sí suantraí don leanbh.
She sang a lullaby to the baby.
Thit an páiste ina chodladh le linn na suantraí.
The child fell asleep during the lullaby.
Is aoibhinn liom an tsuantraí sin.
I love that lullaby.
Bhíodh mo mháthair ag canadh suantraithe dúinn.
My mother used to sing lullabies to us.
Seo í an tsuantraí is fearr liom.
This is my favourite lullaby.
Tá an tsuantraí seo sa leabhar amhrán.
This lullaby is in the songbook.
Tá go leor suantraithe áille sa Ghaeilge.
There are many beautiful lullabies in Irish.

Other nouns in Irish

More everyday Irish nouns to learn next.

Lullaby in Irish: frequently asked questions

What is the Irish for lullaby?

The Irish for lullaby is suantraí (pronounced “SOON-tree”). It’s a feminine noun and the plural is suantraithe. Depending on context it can also mean sleep music.

How do you pronounce suantraí in Irish?

Suantraí is said like “SOON-tree” (IPA /ˈsˠuən̪ˠt̪ˠɾˠiː/).

What is the plural of lullaby in Irish?

The plural of suantraí is suantraithe; with the article, na suantraithe means “the lullabies”. The genitive plural is suantraithe, as in leabhar suantraithe (a book of lullabies).

Does suantraí have more than one meaning?

Yes. Suantraí can mean lullaby or sleep music, depending on context; the first is the most common.

Why does suantraí change to shuantraí?

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

What are suantraí, goltraí and geantraí?

They are the three traditional strains of Irish music: suantraí brings sleep, goltraí brings tears, and geantraí brings laughter.

Is there another Irish word for a lullaby?

Yes, 'seoithín' (as in 'seoithín seó') is also used for a lullaby or the crooning sound of one.

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