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Decile in Irish (Deicíl): Meaning, Pronunciation, Usage

The Irish for decile is deicíl, a feminine noun (plural deicílí).
Updated October 2026Report a mistake

How to say “decile” in Irish

Irish:
deicíl
English:
decile
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“DEK-eel”  /ˈdʲɛciːlʲ/
Various forms
Plural:
deicílí (deciles)
Genitive singular:
deicíle, na deicíle (e.g. teorainn na deicíle, the boundary of the decile)
Genitive plural:
deicílí, na ndeicílí (e.g. anailís na ndeicílí, the analysis of the deciles)

What does “deicíl” mean?

decile
In statistics, one of ten equal groups into which a set of data or a population is divided, or one of the nine values that divide them.Also: tenth, statistical decile.

“Deicíl” with the article

The plural of decile in Irish is deicílí. Here is deicíl after the article (an t-alt), in the singular and the plural.

an deicíl
the decile
No change: d and t are not lenited after an
na deicílí
the deciles
Plural: no change after na

“Deicíl” in a sentence: Irish examples

Common Irish sentences using deicíl, the Irish word for decile.

Roinneadh na torthaí ina ndeich ndeicíl.
The results were divided into ten deciles.
Tá an scoil sa deicíl is airde.
The school is in the highest decile.
Is deicíl í seo de shonraí an daonáirimh.
This is a decile of the census data.
Thit ioncam na deicíle is ísle anuraidh.
Income in the lowest decile fell last year.
Taispeánann an tábla na deicílí go léir.
The table shows all the deciles.
Bhí mo theaghlach sa chéad deicíl ioncaim.
My family was in the first income decile.
Cuir gach dalta i ndeicíl de réir scóir.
Put each pupil in a decile according to score.

Other nouns in Irish

More everyday Irish nouns to learn next.

Decile in Irish: frequently asked questions

What is the Irish for decile?

The Irish for decile is deicíl (pronounced “DEK-eel”). It’s a feminine noun and the plural is deicílí.

How do you pronounce deicíl in Irish?

Deicíl is said like “DEK-eel” (IPA /ˈdʲɛciːlʲ/).

What is the plural of decile in Irish?

The plural of deicíl is deicílí; with the article, na deicílí means “the deciles”. The genitive plural is deicílí, as in anailís na ndeicílí (the analysis of the deciles).

Why does deicíl change to dheicíl or ndeicíl?

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

How is 'deicíl' related to other statistical terms?

It follows the same pattern as 'ceathairíl' (quartile) and 'peircintíl' (percentile); 'airmheán' is the median.

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