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Falsification in Irish (Falsú): Meaning, Pronunciation, Usage

The Irish for falsification is falsú, a masculine noun. Ag falsú is falsifying, from the verb falsaigh.
Updated October 2026Report a mistake

How to say “falsification” in Irish

Irish:
falsú
English:
falsification
Word type:
noun (verbal noun)
Verbal noun of:
falsaigh, to falsify (ag falsú, falsifying)
Gender:
masculine
Pronunciation:
“FAL-soo”  /ˈfˠalˠsˠuː/
Various forms
Genitive singular:
falsaithe, an fhalsaithe (e.g. cúiseamh falsaithe, a charge of falsification)

What does “falsú” mean?

falsification
The act of falsifying or forging something, such as a document or evidence; it is the verbal noun of the verb falsaigh.Also: forgery, forging, faking, counterfeiting.

“Falsú” as a verbal noun

After ag, falsú means falsifying: it is the verbal noun of the verb falsaigh (to falsify). A noun that follows it goes into the genitive.

agat
+
falsúverbal noun
=
ag falsúfalsifying

“Falsú” with the article

Here is falsú after the article (an t-alt).

an falsú
the falsification
No change after an

“Falsú” in a sentence: Irish examples

Common Irish sentences using falsú, the Irish word for falsification.

Is coir thromchúiseach é falsú doiciméad.
Falsifying documents is a serious crime.
Cúisíodh é i bhfalsú cuntas.
He was charged with falsifying accounts.
Thángthas ar fhianaise falsaithe sa chás.
Evidence of falsification was found in the case.
Séanann an comhlacht gach falsú torthaí.
The company denies any falsification of results.
Bhí an falsú le feiceáil ar an síniú.
The forgery was visible in the signature.
Rinne na gardaí imscrúdú ar an bhfalsú.
The police investigated the falsification.
Ní ghlacfar le falsú sonraí ar chor ar bith.
Falsifying data will not be tolerated at all.

Other nouns in Irish

More everyday Irish nouns to learn next.

Falsification in Irish: frequently asked questions

What is the Irish for falsification?

The Irish for falsification is falsú (pronounced “FAL-soo”). It’s a masculine noun.

How do you pronounce falsú in Irish?

Falsú is said like “FAL-soo” (IPA /ˈfˠalˠsˠuː/).

Does falsú have a plural?

No plural form is given for falsú in the standard. Many abstract and mass nouns in Irish have no plural.

Why does falsú change to fhalsú or bhfalsú?

Irish changes the start of some words after certain words. After mo (my) falsú becomes m'fhalsú (lenition), and after ár (our) or i (in) it becomes ár bhfalsú (eclipsis).

What is the difference between falsú and brionnú?

Falsú is the general word for falsifying something, such as accounts or data, while brionnú usually means forging, for example a signature or a document.

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