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Mistake in Irish (Meancóg): Meaning, Pronunciation, Usage

The Irish for mistake is meancóg, a feminine noun (plural meancóga).
Updated October 2026Report a mistake

How to say “mistake” in Irish

Irish:
meancóg
English:
mistake
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“MYAN-kohg”  /ˈmʲaŋkoːɡ/
Various forms
Plural:
meancóga (mistakes)
Genitive singular:
meancóige, na meancóige (e.g. ceartú na meancóige, correction of the mistake)
Genitive plural:
meancóg, na meancóg (e.g. ceartú na meancóg, the correction of the mistakes)

What does “meancóg” mean?

mistake
A small error or slip, especially one made in writing or reckoning.Also: error, slip, erratum, blunder.

Other Irish words for mistake: botún (mistake), earráid (error), breall (mistake)

“Meancóg” with the article

The plural of mistake in Irish is meancóga. Here is meancóg after the article (an t-alt), in the singular and the plural.

an mheancóg
the mistake
Lenition: m becomes mh after an (feminine noun)
na meancóga
the mistakes
Plural: no change after na

“Meancóg” in a sentence: Irish examples

Common Irish sentences using meancóg, the Irish word for mistake.

Rinne mé meancóg sa litir.
I made a mistake in the letter.
Cheartaigh an múinteoir an mheancóg.
The teacher corrected the mistake.
Tá a lán meancóg san aiste seo.
There are a lot of mistakes in this essay.
Ba í mo mheancóg féin í.
It was my own mistake.
Ní fhaca mé na meancóga go dtí inné.
I didn't see the mistakes until yesterday.
Bhí meancóg i mbille an tsiopa.
There was an error in the shop bill.
Ná bí buartha faoi mheancóg bheag.
Don't worry about a small mistake.

Other nouns in Irish

More everyday Irish nouns to learn next.

Mistake in Irish: frequently asked questions

What is the Irish for mistake?

The Irish for mistake is meancóg (pronounced “MYAN-kohg”). It’s a feminine noun and the plural is meancóga.

How do you pronounce meancóg in Irish?

Meancóg is said like “MYAN-kohg” (IPA /ˈmʲaŋkoːɡ/).

What is the plural of mistake in Irish?

The plural of meancóg is meancóga; with the article, na meancóga means “the mistakes”. The genitive plural is meancóg, as in ceartú na meancóg (the correction of the mistakes).

Why does meancóg change to mheancóg?

After words like mo (my) and do (your) the first letter is lenited: mo mheancóg. After ár (our) it stays ár meancóg, because m does not take eclipsis.

How does meancóg differ from botún and earráid?

Botún is the most common everyday word for a mistake, earráid is a more formal error, and meancóg usually suggests a slip, often in writing or reckoning.

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