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Weak plural in Irish (Lagiolra): Meaning, Pronunciation, Usage

The Irish for weak plural is lagiolra, a masculine noun (plural lagiolraí).
Updated October 2026Report a mistake

How to say “weak plural” in Irish

Irish:
lagiolra
English:
weak plural
Word type:
noun
Gender:
masculine
Pronunciation:
“LAG-il-ruh”  /ˈl̪ˠaɡɪl̪ˠɾˠə/
Various forms
Plural:
lagiolraí (weak plurals)
Genitive singular:
lagiolra, an lagiolra (e.g. riail an lagiolra, the rule of the weak plural)
Genitive plural:
lagiolraí, na lagiolraí (e.g. foircinn na lagiolraí, the endings of the weak plurals)

What does “lagiolra” mean?

weak plural
In grammar, a plural form of a noun whose genitive plural differs from the nominative plural, usually being the same as the nominative singular.Also: plural, grammar.

“Lagiolra” with the article

The plural of weak plural in Irish is lagiolraí. Here is lagiolra after the article (an t-alt), in the singular and the plural.

an lagiolra
the weak plural
No change after an
na lagiolraí
the weak plurals
Plural: no change after na

“Lagiolra” in a sentence: Irish examples

Common Irish sentences using lagiolra, the Irish word for weak plural.

Is lagiolra é 'báid'.
'Báid' is a weak plural.
Tá an lagiolra coitianta sa chéad díochlaonadh.
The weak plural is common in the first declension.
Foghlaimíonn na daltaí foirmeacha an lagiolra.
The pupils learn the forms of the weak plural.
Tá lagiolraí agus tréaniolraí sa Ghaeilge.
Irish has weak plurals and strong plurals.
Mhínigh an múinteoir an lagiolra dúinn inniu.
The teacher explained the weak plural to us today.
Is iad 'fir' agus 'éin' lagiolraí.
'Fir' and 'éin' are weak plurals.
Sa lagiolra, athraíonn an tuiseal ginideach.
In the weak plural, the genitive case changes.

Other nouns in Irish

More everyday Irish nouns to learn next.

Weak plural in Irish: frequently asked questions

What is the Irish for weak plural?

The Irish for weak plural is lagiolra (pronounced “LAG-il-ruh”). It’s a masculine noun and the plural is lagiolraí.

How do you pronounce lagiolra in Irish?

Lagiolra is said like “LAG-il-ruh” (IPA /ˈl̪ˠaɡɪl̪ˠɾˠə/).

What is the plural of weak plural in Irish?

The plural of lagiolra is lagiolraí; with the article, na lagiolraí means “the weak plurals”. The genitive plural is lagiolraí, as in foircinn na lagiolraí (the endings of the weak plurals).

How do I tell a lagiolra from a tréaniolra?

In a lagiolra the genitive plural changes, usually back to the nominative singular form (na fir, hata na bhfear), while a tréaniolra keeps the same form in all cases (na tithe, doirse na dtithe).

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