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Ace in Irish (Aon): Meaning, Pronunciation, Usage

‘aon’ also means: one

The Irish for ace is aon, a masculine noun (plural aonta).
Updated October 2026Report a mistake

How to say “ace” in Irish

Irish:
aon
English:
ace, one
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“ayn”  /eːnˠ/
Various forms
Plural:
aonta (aces)
Genitive singular:
aoin, an aoin (e.g. luach an aoin, the value of the ace)
Genitive plural:
aonta, na n-aonta (e.g. líon na n-aonta, the number of aces)

What does “aon” mean?

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

ace
A playing card or die face with a single mark, usually the highest or lowest card in a suit.Also: ace card, one (in cards).
1 other meaning: one
2one
The number one considered as a thing or unit, as in counting or a single item.Also: unit, number one.

“Aon” with the article

The plural of ace in Irish is aonta. Here is aon after the article (an t-alt), in the singular and the plural.

an t-aon
the ace
Masculine nouns take t before a vowel after an
na haonta
the aces
Plural: na adds h before a vowel

“Aon” in a sentence: Irish examples

Common Irish sentences using aon, the Irish word for ace.

Bhí an t-aon hart agam sa deireadh.
I had the ace of hearts in the end.
Tá an t-aon muileata i mo lámh agam.
I have the ace of diamonds in my hand.
Bhuaigh sí an cluiche le dhá aon.
She won the game with two aces.
Cá bhfuil na haonta eile sa phaca?
Where are the other aces in the pack?
Imir an t-aon anois!
Play the ace now!
Ní raibh aon aon agam ar chor ar bith.
I didn't have a single ace at all.
Is fiú go leor an t-aon sa chluiche seo.
The ace is worth a lot in this game.

Other nouns in Irish

More everyday Irish nouns to learn next.

Ace in Irish: frequently asked questions

What is the Irish for ace?

The Irish for ace is aon (pronounced “ayn”). It’s a masculine noun and the plural is aonta. Depending on context it can also mean one.

How do you pronounce aon in Irish?

Aon is said like “ayn” (IPA /eːnˠ/).

What is the plural of ace in Irish?

The plural of aon is aonta; with the article, na haonta means “the aces”. The genitive plural is aonta, as in líon na n-aonta (the number of aces).

Does aon have more than one meaning?

Yes. Aon can mean ace or one, depending on context; the first is the most common.

Why does aon sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-aon (the ace), a haon (her ace), a n-aon (their ace), na haonta (the aces).

Is the noun 'aon' the same word as 'aon' meaning 'any'?

They share a form: the adjective-like 'aon' before a noun means 'any' or 'one' (Níl aon phost agam), while the noun 'aon' means an ace or the number one (an t-aon hart).

How do I say 'the ace of spades'?

Say 'an t-aon spéireata'; the suit name follows 'aon' directly.

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