HeyRua Get the app

Index in Irish (Innéacs): Meaning, Pronunciation, Usage

‘innéacs’ also means: index (figure)

The Irish for index is innéacs, a masculine noun (plural innéacsanna).
Updated October 2026Report a mistake

How to say “index” in Irish

Irish:
innéacs
English:
index, index (figure)
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“IN-ayks”  /ˈiɲeːks/
Various forms
Plural:
innéacsanna (indices)
Genitive singular:
innéacs, an innéacs (e.g. leathanaigh an innéacs, the pages of the index)
Genitive plural:
innéacsanna, na n-innéacsanna (e.g. úsáid na n-innéacsanna, the use of the indexes)

What does “innéacs” mean?

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

index
An alphabetical list of names, subjects or terms, usually at the back of a book, showing where they can be found.Also: book index, list of contents.
1 other meaning: index (figure)
2index (figure)
A number or figure that shows the level or change of something, such as prices, compared with a standard.Also: index, price index, indicator.

“Innéacs” with the article

The plural of index in Irish is innéacsanna. Here is innéacs after the article (an t-alt), in the singular and the plural.

an t-innéacs
the index
Masculine nouns take t before a vowel after an
na hinnéacsanna
the indices
Plural: na adds h before a vowel

“Innéacs” in a sentence: Irish examples

Common Irish sentences using innéacs, the Irish word for index.

Tá innéacs maith ag deireadh an leabhair seo.
There's a good index at the end of this book.
Féach san innéacs agus gheobhaidh tú an t-ainm.
Look in the index and you'll find the name.
Chuardaigh mé an t-innéacs ach ní raibh sé ann.
I searched the index but it wasn't there.
Thosaigh sí ar an innéacs a chur le chéile.
She started compiling the index.
Tá botún ar an gcéad leathanach den innéacs.
There's a mistake on the first page of the index.
Bíonn innéacsanna difriúla sna himleabhair éagsúla.
The various volumes have different indexes.
D'ardaigh an t-innéacs praghsanna arís an mhí seo.
The price index rose again this month.

Other nouns in Irish

More everyday Irish nouns to learn next.

Index in Irish: frequently asked questions

What is the Irish for index?

The Irish for index is innéacs (pronounced “IN-ayks”). It’s a masculine noun and the plural is innéacsanna. Depending on context it can also mean index (figure).

How do you pronounce innéacs in Irish?

Innéacs is said like “IN-ayks” (IPA /ˈiɲeːks/).

What is the plural of index in Irish?

The plural of innéacs is innéacsanna; with the article, na hinnéacsanna means “the indices”. The genitive plural is innéacsanna, as in úsáid na n-innéacsanna (the use of the indexes).

Does innéacs have more than one meaning?

Yes. Innéacs can mean index or index (figure), depending on context; the first is the most common.

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-innéacs (the index), a hinnéacs (her index), a n-innéacs (their index), na hinnéacsanna (the indices).

What is the difference between 'innéacs' and 'clár ábhair'?

'Innéacs' is the alphabetical index at the back of a book, while 'clár ábhair' is the table of contents at the front.

Learn Irish by
actually speaking it

Learn everyday Irish words like innéacs through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen