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Kilometre in Irish (Ciliméadar): Meaning, Pronunciation, Usage

The Irish for kilometre is ciliméadar, a masculine noun (plural ciliméadair).
Updated October 2026Report a mistake

How to say “kilometre” in Irish

Irish:
ciliméadar
English:
kilometre
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“KIL-ih-may-dur”  /ˈcɪlʲəmʲeːd̪ˠəɾˠ/
Various forms
Plural:
ciliméadair (kilometres)
Genitive singular:
ciliméadair, an chiliméadair (e.g. fad an chiliméadair, the length of the kilometre)
Genitive plural:
ciliméadar, na gciliméadar (e.g. fad na gciliméadar, the length of the kilometres)

What does “ciliméadar” mean?

kilometre
A unit of length equal to one thousand metres.Also: kilometer, km.

“Ciliméadar” with the article

The plural of kilometre in Irish is ciliméadair. Here is ciliméadar after the article (an t-alt), in the singular and the plural.

an ciliméadar
the kilometre
No change after an
na ciliméadair
the kilometres
Plural: no change after na

“Ciliméadar” in a sentence: Irish examples

Common Irish sentences using ciliméadar, the Irish word for kilometre.

Tá an scoil ciliméadar ón teach.
The school is a kilometre from the house.
Tá sé cúpla ciliméadar ón sráidbhaile.
It is a few kilometres from the village.
Rith mé cúig chiliméadar ar maidin.
I ran five kilometres this morning.
Bhí an ciliméadar deireanach an-deacair.
The last kilometre was very hard.
Thiomáin sé céad ciliméadar inné.
He drove a hundred kilometres yesterday.
Cé mhéad ciliméadar atá go Gaillimh?
How many kilometres is it to Galway?
Siúlaim dhá chiliméadar gach lá.
I walk two kilometres every day.

Other nouns in Irish

More everyday Irish nouns to learn next.

Kilometre in Irish: frequently asked questions

What is the Irish for kilometre?

The Irish for kilometre is ciliméadar (pronounced “KIL-ih-may-dur”). It’s a masculine noun and the plural is ciliméadair.

How do you pronounce ciliméadar in Irish?

Ciliméadar is said like “KIL-ih-may-dur” (IPA /ˈcɪlʲəmʲeːd̪ˠəɾˠ/).

What is the plural of kilometre in Irish?

The plural of ciliméadar is ciliméadair; with the article, na ciliméadair means “the kilometres”. The genitive plural is ciliméadar, as in fad na gciliméadar (the length of the kilometres).

Why does ciliméadar change to chiliméadar or gciliméadar?

Irish changes the start of some words after certain words. After mo (my) ciliméadar becomes mo chiliméadar (lenition), and after ár (our) or i (in) it becomes ár gciliméadar (eclipsis).

How do I say 'kilometres' after a number?

Use the singular form after numbers: dhá chiliméadar, cúig chiliméadar, not ciliméadair.

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