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Nine in Irish (Naoi): Meaning, Pronunciation, Usage

The Irish for nine is naoi, a masculine noun (plural naonna).
Updated October 2026Report a mistake

How to say “nine” in Irish

Irish:
naoi
English:
nine
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“nee”  /n̪ˠiː/
Various forms
Plural:
naonna (nines)
Genitive singular:
naoi, an naoi (e.g. suim an naoi, the sum of the nine)
Genitive plural:
naonna, na naonna (e.g. líon na naonna, the number of nines)

What does “naoi” mean?

nine
The number nine, used as a noun, for example the figure 9 or a playing card with nine pips.Also: number nine, figure nine, the nine.

“Naoi” with the article

The plural of nine in Irish is naonna. Here is naoi after the article (an t-alt), in the singular and the plural.

an naoi
the nine
No change after an
na naonna
the nines
Plural: no change after na

“Naoi” in a sentence: Irish examples

Common Irish sentences using naoi, the Irish word for nine.

Tá sé beagnach a naoi a chlog.
It's almost nine o'clock.
Tosaím ag obair ag a naoi a chlog.
I start working at nine o'clock.
Bím san obair timpeall a naoi.
I'm at work around nine.
Scríobh an naoi ar an gclár bán.
Write the nine on the whiteboard.
Bhí dhá naoi agam sna cártaí.
I had two nines in my cards.
Naoi mbliana d'aois atá mo mhac.
My son is nine years old.
Téim ar scoil ag fiche tar éis a naoi.
I go to school at twenty past nine.

Other nouns in Irish

More everyday Irish nouns to learn next.

Nine in Irish: frequently asked questions

What is the Irish for nine?

The Irish for nine is naoi (pronounced “nee”). It’s a masculine noun and the plural is naonna.

How do you pronounce naoi in Irish?

Naoi is said like “nee” (IPA /n̪ˠiː/).

What is the plural of nine in Irish?

The plural of naoi is naonna; with the article, na naonna means “the nines”. The genitive plural is naonna, as in líon na naonna (the number of nines).

When do I say 'a naoi' and when 'naoi'?

Use 'a naoi' when counting or telling the time on its own (a naoi a chlog), and 'naoi' directly before a noun, which it eclipses: naoi mbliana.

How do I count nine people?

Use the personal number 'naonúr': naonúr páistí, nine children.

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