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Apostrophe in Irish (Apastróf): Meaning, Pronunciation, Usage

The Irish for apostrophe is apastróf, a feminine noun (plural apastrófa).
Updated October 2026Report a mistake

How to say “apostrophe” in Irish

Irish:
apastróf
English:
apostrophe
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“AP-uh-strohf”  /ˈapˠəsˠt̪ˠɾˠoːfˠ/
Various forms
Plural:
apastrófa (apostrophes)
Genitive singular:
apastróife, na hapastróife (e.g. úsáid na hapastróife, use of the apostrophe)
Genitive plural:
apastróf, na n-apastróf (e.g. líon na n-apastróf, number of apostrophes)

What does “apastróf” mean?

apostrophe
The punctuation mark (') used in writing to show that a letter has been left out or, in English, to show possession.Also: apostrophe mark, punctuation mark.

“Apastróf” with the article

The plural of apostrophe in Irish is apastrófa. Here is apastróf after the article (an t-alt), in the singular and the plural.

an apastróf
the apostrophe
No change: feminine nouns starting with a vowel keep their form after an
na hapastrófa
the apostrophes
Plural: na adds h before a vowel

“Apastróf” in a sentence: Irish examples

Common Irish sentences using apastróf, the Irish word for apostrophe.

Cuir apastróf idir an m agus an t-ainm.
Put an apostrophe between the m and the name.
Tá an apastróf ar iarraidh san fhocal seo.
The apostrophe is missing in this word.
Scríobhtar m'athair le hapastróf.
'M'athair' is written with an apostrophe.
Ní thuigim riail na hapastróife fós.
I still don't understand the apostrophe rule.
Bhí an iomarca apastróf san aiste aige.
He had too many apostrophes in his essay.
Rinne mé dearmad ar m'apastróf arís.
I forgot my apostrophe again.
Cá bhfuil an apastróf ar an méarchlár?
Where is the apostrophe on the keyboard?

Other nouns in Irish

More everyday Irish nouns to learn next.

Apostrophe in Irish: frequently asked questions

What is the Irish for apostrophe?

The Irish for apostrophe is apastróf (pronounced “AP-uh-strohf”). It’s a feminine noun and the plural is apastrófa.

How do you pronounce apastróf in Irish?

Apastróf is said like “AP-uh-strohf” (IPA /ˈapˠəsˠt̪ˠɾˠoːfˠ/).

What is the plural of apostrophe in Irish?

The plural of apastróf is apastrófa; with the article, na hapastrófa means “the apostrophes”. The genitive plural is apastróf, as in líon na n-apastróf (number of apostrophes).

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

Irish nouns beginning with a vowel take a prefix after certain words: an apastróf (the apostrophe), a hapastróf (her apostrophe), a n-apastróf (their apostrophe), na hapastrófa (the apostrophes).

When is the apostrophe used in Irish?

Mainly to mark an elided vowel, as in m'athair, d'ól or b'fhéidir. Irish does not use the apostrophe for possession as English does.

Does apastróf also mean the rhetorical figure of addressing someone absent?

In general usage apastróf is the punctuation mark; the rhetorical sense is rare and learners should use the word for the mark.

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