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Extension in Irish (Folíne): Meaning, Pronunciation, Usage

The Irish for extension is folíne, a feminine noun (plural folínte).
Updated October 2026Report a mistake

How to say “extension” in Irish

Irish:
folíne
English:
extension
Word type:
noun
Gender:
feminine, fourth declension
Pronunciation:
“FOL-ee-nyeh”  /ˈfˠɔlʲiːnʲə/
Various forms
Plural:
folínte (extensions)
Genitive singular:
folíne, na folíne (e.g. uimhir na folíne, the extension number)
Genitive plural:
folínte, na bhfolínte (e.g. uimhreacha na bhfolínte, the extension numbers)

What does “folíne” mean?

extension
An additional telephone line connected to a main line, especially an internal phone number in an office.Also: phone extension, extension line, telephone extension.

“Folíne” with the article

The plural of extension in Irish is folínte. Here is folíne after the article (an t-alt), in the singular and the plural.

an fholíne
the extension
Lenition: f becomes fh after an (feminine noun)
na folínte
the extensions
Plural: no change after na

“Folíne” in a sentence: Irish examples

Common Irish sentences using folíne, the Irish word for extension.

Cuir glao orm ar fholíne a seacht.
Call me on extension seven.
Cén uimhir atá ar an bhfolíne sin?
What number is that extension?
Níl freagra ar an bhfolíne.
There's no answer on the extension.
Tá folínte nua san oifig anois.
There are new extensions in the office now.
Seo í uimhir m'fholíne.
This is my extension number.
Aistrigh an glao chuig folíne an bhainisteora, le do thoil.
Transfer the call to the manager's extension, please.
Tá folíne amháin i ngach seomra.
There is one extension in every room.

Other nouns in Irish

More everyday Irish nouns to learn next.

Extension in Irish: frequently asked questions

What is the Irish for extension?

The Irish for extension is folíne (pronounced “FOL-ee-nyeh”). It’s a feminine noun and the plural is folínte.

How do you pronounce folíne in Irish?

Folíne is said like “FOL-ee-nyeh” (IPA /ˈfˠɔlʲiːnʲə/).

What is the plural of extension in Irish?

The plural of folíne is folínte; with the article, na folínte means “the extensions”. The genitive plural is folínte, as in uimhreacha na bhfolínte (the extension numbers).

Why does folíne change to fholíne or bhfolíne?

Irish changes the start of some words after certain words. After mo (my) folíne becomes m'fholíne (lenition), and after ár (our) or i (in) it becomes ár bhfolíne (eclipsis).

Is 'folíne' used for a building extension?

No, 'folíne' is a telephone extension. A building extension is 'síneadh' or 'breis' to a house.

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