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Fraud in Irish (Calaois): Meaning, Pronunciation, Usage

‘calaois’ also means: foul

The Irish for fraud is calaois, a feminine noun (plural calaoisí).
Updated October 2026Report a mistake

How to say “fraud” in Irish

Irish:
calaois
English:
fraud, foul
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“KAL-eesh”  /ˈkalˠiːʃ/
Various forms
Plural:
calaoisí (frauds)
Genitive singular:
calaoise, na calaoise (e.g. cás calaoise, a fraud case)
Genitive plural:
calaoisí, na gcalaoisí (e.g. cásanna na gcalaoisí, the fraud cases)

What does “calaois” mean?

“Calaois” has two alternative meanings. The most common comes first.

fraud
Dishonest deception used to gain money or an unfair advantage.Also: deceit, cheating, swindle, foul play.
1 other meaning: foul
2foul
An unfair or illegal act against an opponent in a game or sport.Also: foul play, unfair play.

“Calaois” with the article

The plural of fraud in Irish is calaoisí. Here is calaois after the article (an t-alt), in the singular and the plural.

an chalaois
the fraud
Lenition: c becomes ch after an (feminine noun)
na calaoisí
the frauds
Plural: no change after na

“Calaois” in a sentence: Irish examples

Common Irish sentences using calaois, the Irish word for fraud.

Gabhadh é as calaois.
He was arrested for fraud.
Bhí an chalaois sin ar siúl le blianta.
That fraud had been going on for years.
Tá na gardaí ag fiosrú cás calaoise.
The guards are investigating a fraud case.
Rinneadh calaoisí móra ar an mbanc.
Major frauds were committed against the bank.
Thug an réiteoir cic saor as an gcalaois.
The referee gave a free kick for the foul.
Ciontaíodh í i gcalaois cánach.
She was convicted of tax fraud.
Níor éirigh leis an gcalaois a cheilt.
He did not manage to hide the fraud.

Other nouns in Irish

More everyday Irish nouns to learn next.

Fraud in Irish: frequently asked questions

What is the Irish for fraud?

The Irish for fraud is calaois (pronounced “KAL-eesh”). It’s a feminine noun and the plural is calaoisí. Depending on context it can also mean foul.

How do you pronounce calaois in Irish?

Calaois is said like “KAL-eesh” (IPA /ˈkalˠiːʃ/).

What is the plural of fraud in Irish?

The plural of calaois is calaoisí; with the article, na calaoisí means “the frauds”. The genitive plural is calaoisí, as in cásanna na gcalaoisí (the fraud cases).

Does calaois have more than one meaning?

Yes. Calaois can mean fraud or foul, depending on context; the first is the most common.

Why does calaois change to chalaois or gcalaois?

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

Is calaois used in sport?

Yes, calaois is the usual word for a foul in Gaelic games, as in 'calaois a dhéanamh', to commit a foul.

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