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Colon in Irish (Idirstad): Meaning, Pronunciation, Usage

The Irish for colon is idirstad, a masculine noun (plural idirstadanna).
Updated October 2026Report a mistake

How to say “colon” in Irish

Irish:
idirstad
English:
colon
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“ID-ir-stad”  /ˈɪdʲəɾʲsˠt̪ˠad̪ˠ/
Various forms
Plural:
idirstadanna (colons)
Genitive singular:
idirstad, an idirstad (e.g. úsáid an idirstad, the use of the colon)
Genitive plural:
idirstadanna, na n-idirstadanna (e.g. úsáid na n-idirstadanna, the use of colons)

What does “idirstad” mean?

colon
The punctuation mark (:) made of two dots, one above the other.Also: punctuation mark, two dots.

“Idirstad” with the article

The plural of colon in Irish is idirstadanna. Here is idirstad after the article (an t-alt), in the singular and the plural.

an t-idirstad
the colon
Masculine nouns take t before a vowel after an
na hidirstadanna
the colons
Plural: na adds h before a vowel

“Idirstad” in a sentence: Irish examples

Common Irish sentences using idirstad, the Irish word for colon.

Cuir idirstad roimh an liosta.
Put a colon before the list.
Tá an t-idirstad san áit mhícheart.
The colon is in the wrong place.
Ní thuigim úsáid an idirstad fós.
I still don't understand how to use the colon.
Bhí an iomarca idirstadanna san aiste aici.
There were too many colons in her essay.
Scríobh an t-am le hidirstad, mar shampla 10:30.
Write the time with a colon, for example 10:30.
Chuir mé idirstad i ndiaidh an fhocail sin.
I put a colon after that word.
Is comhartha poncaíochta é an t-idirstad.
The colon is a punctuation mark.

Other nouns in Irish

More everyday Irish nouns to learn next.

Colon in Irish: frequently asked questions

What is the Irish for colon?

The Irish for colon is idirstad (pronounced “ID-ir-stad”). It’s a masculine noun and the plural is idirstadanna.

How do you pronounce idirstad in Irish?

Idirstad is said like “ID-ir-stad” (IPA /ˈɪdʲəɾʲsˠt̪ˠad̪ˠ/).

What is the plural of colon in Irish?

The plural of idirstad is idirstadanna; with the article, na hidirstadanna means “the colons”. The genitive plural is idirstadanna, as in úsáid na n-idirstadanna (the use of colons).

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-idirstad (the colon), a hidirstad (her colon), a n-idirstad (their colon), na hidirstadanna (the colons).

What is the difference between idirstad and leathstad?

Idirstad is the colon (:), while leathstad is the semicolon (;). A full stop is lánstad.

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