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World war in Irish (Ollchogadh): Meaning, Pronunciation, Usage

The Irish for world war is ollchogadh, a masculine noun (plural ollchogaí).
Updated October 2026Report a mistake

How to say “world war” in Irish

Irish:
ollchogadh
English:
world war
Word type:
noun
Gender:
masculine
Pronunciation:
“OL-khug-oo”  /ˈɔlˌxɔɡə/
Various forms
Plural:
ollchogaí (world wars)
Genitive singular:
ollchogaidh, an ollchogaidh (e.g. tús an ollchogaidh, the start of the world war)
Genitive plural:
ollchogaí, na n-ollchogaí (e.g. stair na n-ollchogaí, the history of the world wars)

What does “ollchogadh” mean?

world war
A very large war involving many countries, especially either of the two world wars.Also: great war, global war, major war.

“Ollchogadh” with the article

The plural of world war in Irish is ollchogaí. Here is ollchogadh after the article (an t-alt), in the singular and the plural.

an t-ollchogadh
the world war
Masculine nouns take t before a vowel after an
na hollchogaí
the world wars
Plural: na adds h before a vowel

“Ollchogadh” in a sentence: Irish examples

Common Irish sentences using ollchogadh, the Irish word for world war.

Throid mo sheanathair san Ollchogadh.
My grandfather fought in the World War.
Bhí an t-ollchogadh uafásach do mhilliúin daoine.
The world war was terrible for millions of people.
Thosaigh an Dara hOllchogadh i 1939.
The Second World War began in 1939.
Cailleadh a lán saighdiúirí i rith an ollchogaidh.
Many soldiers died during the world war.
Táimid ag foghlaim faoin dá ollchogadh ar scoil.
We are learning about the two world wars at school.
D'athraigh na hollchogaí an domhan go mór.
The world wars changed the world greatly.
Tá eagla ar dhaoine roimh ollchogadh eile.
People are afraid of another world war.

Other nouns in Irish

More everyday Irish nouns to learn next.

World war in Irish: frequently asked questions

What is the Irish for world war?

The Irish for world war is ollchogadh (pronounced “OL-khug-oo”). It’s a masculine noun and the plural is ollchogaí.

How do you pronounce ollchogadh in Irish?

Ollchogadh is said like “OL-khug-oo” (IPA /ˈɔlˌxɔɡə/).

What is the plural of world war in Irish?

The plural of ollchogadh is ollchogaí; with the article, na hollchogaí means “the world wars”. The genitive plural is ollchogaí, as in stair na n-ollchogaí (the history of the world wars).

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-ollchogadh (the world war), a hollchogadh (her world war), a n-ollchogadh (their world war), na hollchogaí (the world wars).

Is 'ollchogadh' the same as 'cogadh domhanda'?

Yes, both mean world war; 'an Dara Cogadh Domhanda' is the more common official name, while 'an Dara hOllchogadh' is also used.

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