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Declension in Irish (Díochlaonadh): Meaning, Pronunciation, Usage

‘díochlaonadh’ also means: declining

The Irish for declension is díochlaonadh, a masculine noun (plural díochlaontaí). Ag díochlaonadh is declining, from the verb díochlaon.
Updated October 2026Report a mistake

How to say “declension” in Irish

Irish:
díochlaonadh
English:
declension, declining
Word type:
noun (verbal noun)
Verbal noun of:
díochlaon, to decline (ag díochlaonadh, declining)
Gender:
masculine
Pronunciation:
“DEE-uhkh-lee-nuh”  /ˈdʲiːəxlˠiːnˠə/
Various forms
Plural:
díochlaontaí (declensions)
Genitive singular:
díochlaonta, an díochlaonta (e.g. ainmfhocail an chéad díochlaonta, nouns of the first declension)
Genitive plural:
díochlaontaí, na ndíochlaontaí (e.g. rialacha na ndíochlaontaí, the rules of the declensions)

What does “díochlaonadh” mean?

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

declension
A class of nouns or adjectives that change their endings in the same way, such as the first declension in Irish.Also: noun class, inflection class.
1 other meaning: declining
2declining
The act of giving the different case forms of a noun or adjective; the verbal noun of the verb díochlaon.Also: declension, inflecting.

“Díochlaonadh” as a verbal noun

After ag, díochlaonadh means declining: it is the verbal noun of the verb díochlaon (to decline). A noun that follows it goes into the genitive.

agat
+
díochlaonadhverbal noun
=
ag díochlaonadhdeclining

“Díochlaonadh” with the article

The plural of declension in Irish is díochlaontaí. Here is díochlaonadh after the article (an t-alt), in the singular and the plural.

an díochlaonadh
the declension
No change after an
na díochlaontaí
the declensions
Plural: no change after na

“Díochlaonadh” in a sentence: Irish examples

Common Irish sentences using díochlaonadh, the Irish word for declension.

Tá cúig dhíochlaonadh ag ainmfhocail na Gaeilge.
Irish nouns have five declensions.
Cén díochlaonadh lena mbaineann an focal seo?
Which declension does this word belong to?
Is ainmfhocal den dara díochlaonadh é 'bróg'.
'Bróg' is a second declension noun.
Bhí an díochlaonadh deacair dom ar scoil.
Declension was hard for me at school.
D'fhoghlaim mé na díochlaontaí go léir inniu.
I learned all the declensions today.
Tá ainmfhocail an tríú díochlaonta firinscneach go minic.
Third declension nouns are often masculine.
Rinne an múinteoir díochlaonadh an fhocail ar an gclár.
The teacher declined the word on the board.

Other nouns in Irish

More everyday Irish nouns to learn next.

Declension in Irish: frequently asked questions

What is the Irish for declension?

The Irish for declension is díochlaonadh (pronounced “DEE-uhkh-lee-nuh”). It’s a masculine noun and the plural is díochlaontaí. Depending on context it can also mean declining.

How do you pronounce díochlaonadh in Irish?

Díochlaonadh is said like “DEE-uhkh-lee-nuh” (IPA /ˈdʲiːəxlˠiːnˠə/).

What is the plural of declension in Irish?

The plural of díochlaonadh is díochlaontaí; with the article, na díochlaontaí means “the declensions”. The genitive plural is díochlaontaí, as in rialacha na ndíochlaontaí (the rules of the declensions).

Does díochlaonadh have more than one meaning?

Yes. Díochlaonadh can mean declension or declining, depending on context; the first is the most common.

Why does díochlaonadh change to dhíochlaonadh or ndíochlaonadh?

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

What is the difference between díochlaonadh and réimniú?

Díochlaonadh is the declension of nouns and adjectives, while réimniú is the conjugation of verbs.

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