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Fraudulent in Irish (calaoiseach): Meaning, Forms, Examples

Other uses of ‘calaoiseach’: deceitful

The Irish for fraudulent is calaoiseach: éileamh calaoiseach, a fraudulent claim.
Updated October 2026Report a mistake

How to say “fraudulent” in Irish

Irish:
calaoiseach
English:
fraudulent, deceitful
Word type:
adjective
More fraudulent:
níos calaoisí
Most fraudulent:
is calaoisí
Plural:
calaoiseacha
Pronunciation:
“KAL-ee-shukh”  /ˈkal̪ˠiːʃəx/

What does “calaoiseach” mean?

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

fraudulent
Involving deliberate deception, especially to gain money or advantage unlawfully.Also: deceitful, dishonest, crooked.
1 other meaning: deceitful
2deceitful
Describes a person who tends to cheat or deceive others.Also: cheating, treacherous, tricky.

“Calaoiseach” after a noun

An Irish adjective comes after its noun. Here is calaoiseach after éileamh (claim, masculine), after bréag (lie, feminine) and after a plural.

after a masculine nounéileamh calaoiseacha fraudulent claim
after a feminine nounbréag chalaoiseacha fraudulent lie
after a plural nounéilimh chalaoiseachafraudulent claims

séimhiú (the h) the ending

feminine
bréaglie
+
calaoiseachfraudulent
=
bréag chalaoiseacha fraudulent lie

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bréag chalaoiseach. After a masculine noun it stays as it is: éileamh calaoiseach.

plural
éilimhclaims
+
calaoiseachafraudulent, plural
=
éilimh chalaoiseachafraudulent claims

With a plural noun the adjective takes its plural form, calaoiseacha. It also gets an h after a plural that ends in a slender consonant: éilimh chalaoiseacha; after other plurals it does not: bréaga calaoiseacha.

More fraudulent, most fraudulent, very fraudulent

níosmore
+
calaoisífraudulent
=
níos calaoisímore fraudulent
ismost
+
calaoisífraudulent
=
is calaoisímost fraudulent

Bhí an dara plean níos calaoisí ná an chéad cheann. The second plan was more fraudulent than the first.

more fraudulentníos calaoisíin the past tense: ní ba chalaoisí
most fraudulentis calaoisíin the past tense: ba chalaoisí
as fraudulent aschomh calaoiseach leno change after chomh
very fraudulentan-chalaoiseachan- lenites, except d, t and s
too fraudulentróchalaoiseachró- lenites

“Calaoiseach” in a sentence: Irish examples

With a masculine noun, a feminine noun, a plural, a comparison and on its own.

Rinne sé éileamh calaoiseach ar an árachas.
He made a fraudulent insurance claim.
Ba í sin bréag chalaoiseach.
That was a deceitful lie.
Fuair na póilíní cáipéisí calaoiseacha sa seomra.
The police found fraudulent documents in the room.
Bhí an dara plean níos calaoisí ná an chéad cheann.
The second plan was more fraudulent than the first.
Tá an conradh sin calaoiseach.
That contract is fraudulent.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Fraudulent in Irish: frequently asked questions

What is the Irish for fraudulent?

The Irish for fraudulent is calaoiseach (pronounced “KAL-ee-shukh”). It comes after the noun: éileamh calaoiseach, a fraudulent claim; bréag chalaoiseach, a fraudulent lie.

How do you say more fraudulent and most fraudulent in Irish?

níos calaoisí is more fraudulent and is calaoisí is most fraudulent. In the past tense they become ní ba chalaoisí and ba chalaoisí.

Why does calaoiseach become chalaoiseach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bréag chalaoiseach (a fraudulent lie) but éileamh calaoiseach (a fraudulent claim), because éileamh is masculine.

What is the plural of calaoiseach?

With a plural noun calaoiseach becomes calaoiseacha: éilimh chalaoiseacha, bréaga calaoiseacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very fraudulent in Irish?

an-chalaoiseach. Too fraudulent is róchalaoiseach, and as fraudulent as is chomh calaoiseach le.

Does calaoiseach have more than one meaning?

Yes. Calaoiseach can mean fraudulent or deceitful, depending on context; the first is the most common.

What noun is 'calaoiseach' related to?

It comes from 'calaois', meaning fraud or deceit, as in 'calaois a dhéanamh', to commit fraud.

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