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Polytheism in Irish (Ildiachas): Meaning, Pronunciation, Usage

The Irish for polytheism is ildiachas, a masculine noun.
Updated October 2026Report a mistake

How to say “polytheism” in Irish

Irish:
ildiachas
English:
polytheism
Word type:
noun
Gender:
masculine
Pronunciation:
“IL-dee-ukh-us”  /ˈiːlʲˌdʲiəxəs/
Various forms
Genitive singular:
ildiachais, an ildiachais (e.g. stair an ildiachais, the history of polytheism)

What does “ildiachas” mean?

polytheism
The belief in, or worship of, more than one god.Also: belief in many gods, worship of many gods.

“Ildiachas” with the article

Here is ildiachas after the article (an t-alt).

an t-ildiachas
the polytheism
Masculine nouns take t before a vowel after an

“Ildiachas” in a sentence: Irish examples

Common Irish sentences using ildiachas, the Irish word for polytheism.

Is éard is ildiachas ann ná creideamh i go leor déithe.
Polytheism is belief in many gods.
Bhí an t-ildiachas coitianta sa Ghréig ársa.
Polytheism was common in ancient Greece.
D'fhoghlaimíomar faoin ildiachas ar scoil inniu.
We learned about polytheism at school today.
Tá an t-ildiachas difriúil ón aondiachas.
Polytheism is different from monotheism.
Scríobh sí aiste ar ildiachas na Rómhánach.
She wrote an essay on Roman polytheism.
Bhí rian an ildiachais fós le feiceáil sa tír.
Traces of polytheism could still be seen in the country.
Cleachtaíodh ildiachas in Éirinn roimh an gCríostaíocht.
Polytheism was practised in Ireland before Christianity.

Other nouns in Irish

More everyday Irish nouns to learn next.

Polytheism in Irish: frequently asked questions

What is the Irish for polytheism?

The Irish for polytheism is ildiachas (pronounced “IL-dee-ukh-us”). It’s a masculine noun.

How do you pronounce ildiachas in Irish?

Ildiachas is said like “IL-dee-ukh-us” (IPA /ˈiːlʲˌdʲiəxəs/).

Does ildiachas have a plural?

No plural form is given for ildiachas in the standard. Many abstract and mass nouns in Irish have no plural.

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-ildiachas (the polytheism), a hildiachas (her polytheism), a n-ildiachas (their polytheism).

What is the opposite of 'ildiachas'?

The opposite is 'aondiachas', monotheism, belief in one god; 'aindiachas' means atheism.

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