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Proliferation in Irish (Prólaiféarú): Meaning, Pronunciation, Usage

The Irish for proliferation is prólaiféarú, a masculine noun.
Updated October 2026Report a mistake

How to say “proliferation” in Irish

Irish:
prólaiféarú
English:
proliferation
Word type:
noun (verbal noun)
Gender:
masculine
Pronunciation:
“PROH-lih-fay-roo”  /ˈpɾˠoːl̪ˠəfʲeːɾˠuː/
Various forms
Genitive singular:
prólaiféaraithe, an phrólaiféaraithe (e.g. conradh in aghaidh an phrólaiféaraithe, the non-proliferation treaty)

What does “prólaiféarú” mean?

proliferation
The rapid spread or increase in number of something, such as cells or weapons; it is the verbal noun of the verb prólaiféaraigh.Also: proliferating, rapid increase, spread.

“Prólaiféarú” with the article

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

an prólaiféarú
the proliferation
No change after an

“Prólaiféarú” in a sentence: Irish examples

Common Irish sentences using prólaiféarú, the Irish word for proliferation.

Is fadhb mhór é prólaiféarú na n-arm núicléach.
The proliferation of nuclear weapons is a big problem.
Tharla prólaiféarú tapa ar na cealla.
There was a rapid proliferation of the cells.
Síníodh conradh in aghaidh prólaiféaraithe.
A non-proliferation treaty was signed.
Tá an prólaiféarú ag dul i méid gach bliain.
The proliferation is increasing every year.
Labhair an t-aire faoi phrólaiféarú arm.
The minister spoke about arms proliferation.
Is cúis imní é prólaiféarú na gceall ailse.
The proliferation of cancer cells is a cause for concern.
Ní mór stop a chur leis an bprólaiféarú.
The proliferation must be stopped.

Other nouns in Irish

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Proliferation in Irish: frequently asked questions

What is the Irish for proliferation?

The Irish for proliferation is prólaiféarú (pronounced “PROH-lih-fay-roo”). It’s a masculine noun.

How do you pronounce prólaiféarú in Irish?

Prólaiféarú is said like “PROH-lih-fay-roo” (IPA /ˈpɾˠoːl̪ˠəfʲeːɾˠuː/).

Does prólaiféarú have a plural?

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

Why does prólaiféarú change to phrólaiféarú or bprólaiféarú?

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

Is there a more native Irish word for proliferation?

Yes, iomadú (multiplication, increase) is often used in general contexts, while prólaiféarú is the technical term, e.g. in prólaiféarú núicléach.

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