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Cardinal sin in Irish (Ceannpheaca): Meaning, Pronunciation, Usage

The Irish for cardinal sin is ceannpheaca, a masculine noun (plural ceannpheacaí).
Updated October 2026Report a mistake

How to say “cardinal sin” in Irish

Irish:
ceannpheaca
English:
cardinal sin
Word type:
noun
Gender:
masculine
Pronunciation:
“KYOWN-fak-uh”  /ˈcaunˌfʲakə/
Various forms
Plural:
ceannpheacaí (cardinal sins)
Genitive singular:
ceannpheaca, an cheannpheaca (e.g. ainm an cheannpheaca, the name of the cardinal sin)
Genitive plural:
ceannpheacaí, na gceannpheacaí (e.g. liosta na gceannpheacaí, the list of the cardinal sins)

What does “ceannpheaca” mean?

cardinal sin
One of the seven deadly sins in Christian teaching, such as pride or greed.Also: deadly sin, capital sin, mortal sin.

“Ceannpheaca” with the article

The plural of cardinal sin in Irish is ceannpheacaí. Here is ceannpheaca after the article (an t-alt), in the singular and the plural.

an ceannpheaca
the cardinal sin
No change after an
na ceannpheacaí
the cardinal sins
Plural: no change after na

“Ceannpheaca” in a sentence: Irish examples

Common Irish sentences using ceannpheaca, the Irish word for cardinal sin.

Is ceannpheaca é an t-uabhar.
Pride is a cardinal sin.
Tá seacht gceannpheaca ann de réir an teagaisc.
According to the teaching there are seven deadly sins.
D'fhoghlaimíomar na ceannpheacaí ar scoil.
We learned the deadly sins at school.
Is í an tsaint an ceannpheaca is measa, dar leis.
He thinks greed is the worst deadly sin.
Labhair an sagart faoi na ceannpheacaí inniu.
The priest spoke about the deadly sins today.
Cén t-ainm atá ar an gceannpheaca sin?
What is that cardinal sin called?
Is ceannpheaca í an fhearg freisin.
Anger is also a deadly sin.

Other nouns in Irish

More everyday Irish nouns to learn next.

Cardinal sin in Irish: frequently asked questions

What is the Irish for cardinal sin?

The Irish for cardinal sin is ceannpheaca (pronounced “KYOWN-fak-uh”). It’s a masculine noun and the plural is ceannpheacaí.

How do you pronounce ceannpheaca in Irish?

Ceannpheaca is said like “KYOWN-fak-uh” (IPA /ˈcaunˌfʲakə/).

What is the plural of cardinal sin in Irish?

The plural of ceannpheaca is ceannpheacaí; with the article, na ceannpheacaí means “the cardinal sins”. The genitive plural is ceannpheacaí, as in liosta na gceannpheacaí (the list of the cardinal sins).

Why does ceannpheaca change to cheannpheaca or gceannpheaca?

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

How is 'ceannpheaca' different from 'peaca marfach'?

'Ceannpheaca' is one of the seven deadly sins, while 'peaca marfach' is a mortal sin in general, the opposite of 'peaca solathach' (venial sin).

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