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Great-uncle in Irish (Seanuncail): Meaning, Pronunciation, Usage

The Irish for great-uncle is seanuncail, a masculine noun (plural seanuncailí).
Updated October 2026Report a mistake

How to say “great-uncle” in Irish

Irish:
seanuncail
English:
great-uncle
Word type:
noun
Gender:
masculine
Pronunciation:
“SHAN-unk-il”  /ˈʃanˌʊŋkəlʲ/
Various forms
Plural:
seanuncailí (great-uncles)
Genitive singular:
seanuncail, an tseanuncail (e.g. teach an tseanuncail, the great-uncle's house)
Genitive plural:
seanuncailí, na seanuncailí (e.g. clann na seanuncailí, the great-uncles' children)

What does “seanuncail” mean?

great-uncle
The brother of your grandfather or grandmother.Also: grand-uncle, granduncle.

“Seanuncail” with the article

The plural of great-uncle in Irish is seanuncailí. Here is seanuncail after the article (an t-alt), in the singular and the plural.

an seanuncail
the great-uncle
No change after an
na seanuncailí
the great-uncles
Plural: no change after na

“Seanuncail” in a sentence: Irish examples

Common Irish sentences using seanuncail, the Irish word for great-uncle.

Bhí seanuncail agam a chuaigh go Meiriceá.
I had a great-uncle who went to America.
Tá mo sheanuncail ochtó bliain d'aois.
My great-uncle is eighty years old.
Thug an seanuncail airgead dom do mo bhreithlá.
The great-uncle gave me money for my birthday.
Seo grianghraf de mo sheanuncail i gCorcaigh.
This is a photo of my great-uncle in Cork.
Fuair mé feirm mo sheanuncail le huacht.
I inherited my great-uncle's farm.
Tá triúr seanuncailí agam fós beo.
I still have three great-uncles alive.
Bhí na seanuncailí go léir ag an mbainis.
All the great-uncles were at the wedding.

Other nouns in Irish

More everyday Irish nouns to learn next.

Great-uncle in Irish: frequently asked questions

What is the Irish for great-uncle?

The Irish for great-uncle is seanuncail (pronounced “SHAN-unk-il”). It’s a masculine noun and the plural is seanuncailí.

How do you pronounce seanuncail in Irish?

Seanuncail is said like “SHAN-unk-il” (IPA /ˈʃanˌʊŋkəlʲ/).

What is the plural of great-uncle in Irish?

The plural of seanuncail is seanuncailí; with the article, na seanuncailí means “the great-uncles”. The genitive plural is seanuncailí, as in clann na seanuncailí (the great-uncles' children).

Why does seanuncail change to sheanuncail?

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

Is there another word for great-uncle?

Yes, 'uncail mór' is sometimes heard, but 'seanuncail' is the standard dictionary term, matching 'seanaintín' for great-aunt.

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