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Heresy in Irish (Eiriceacht): Meaning, Pronunciation, Usage

The Irish for heresy is eiriceacht, a feminine noun (plural eiriceachtaí).
Updated October 2026Report a mistake

How to say “heresy” in Irish

Irish:
eiriceacht
English:
heresy
Word type:
noun
Gender:
feminine, third declension
Pronunciation:
“ER-ik-yakht”  /ˈɛɾʲəcəxt̪/
Various forms
Plural:
eiriceachtaí (heresies)
Genitive singular:
eiriceachta, na heiriceachta (e.g. cúiseamh eiriceachta, a charge of heresy)
Genitive plural:
eiriceachtaí, na n-eiriceachtaí (e.g. liosta na n-eiriceachtaí, the list of the heresies)

What does “eiriceacht” mean?

heresy
A belief or opinion that goes against the official teaching of a church or an accepted doctrine.Also: heretical belief, heterodoxy, unorthodox opinion.

“Eiriceacht” with the article

The plural of heresy in Irish is eiriceachtaí. Here is eiriceacht after the article (an t-alt), in the singular and the plural.

an eiriceacht
the heresy
No change: feminine nouns starting with a vowel keep their form after an
na heiriceachtaí
the heresies
Plural: na adds h before a vowel

“Eiriceacht” in a sentence: Irish examples

Common Irish sentences using eiriceacht, the Irish word for heresy.

Cúisíodh é in eiriceacht.
He was accused of heresy.
Dhaor an eaglais an eiriceacht sin go láidir.
The church strongly condemned that heresy.
Dódh í ar an gcuaille mar gheall ar eiriceacht.
She was burned at the stake for heresy.
Bhí go leor eiriceachtaí ann sa Mheánaois.
There were many heresies in the Middle Ages.
Cuireadh triail eiriceachta air sa chathair.
He was put on trial for heresy in the city.
Is beag nach eiriceacht é sin a rá anseo.
Saying that here is almost heresy.
Scríobh sé leabhar faoi eiriceachtaí na luath-Eaglaise.
He wrote a book about the heresies of the early Church.

Other nouns in Irish

More everyday Irish nouns to learn next.

Heresy in Irish: frequently asked questions

What is the Irish for heresy?

The Irish for heresy is eiriceacht (pronounced “ER-ik-yakht”). It’s a feminine noun and the plural is eiriceachtaí.

How do you pronounce eiriceacht in Irish?

Eiriceacht is said like “ER-ik-yakht” (IPA /ˈɛɾʲəcəxt̪/).

What is the plural of heresy in Irish?

The plural of eiriceacht is eiriceachtaí; with the article, na heiriceachtaí means “the heresies”. The genitive plural is eiriceachtaí, as in liosta na n-eiriceachtaí (the list of the heresies).

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

Irish nouns beginning with a vowel take a prefix after certain words: an eiriceacht (the heresy), a heiriceacht (her heresy), a n-eiriceacht (their heresy), na heiriceachtaí (the heresies).

What is the word for a person who holds a heresy?

A heretic is 'eiriceach', and the abstract noun for the belief is 'eiriceacht'.

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