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Widening in Irish (Fairsingiú): Meaning, Pronunciation, Usage

‘fairsingiú’ also means: expansion

The Irish for widening is fairsingiú, a masculine noun. Ag fairsingiú is widening, from the verb fairsingigh.
Updated October 2026Report a mistake

How to say “widening” in Irish

Irish:
fairsingiú
English:
widening, expansion
Word type:
noun (verbal noun)
Verbal noun of:
fairsingigh, to widen (ag fairsingiú, widening)
Gender:
masculine
Pronunciation:
“FAR-shing-oo”  /ˈfˠaɾˠʃɪɲɟuː/
Various forms
Genitive singular:
fairsingithe, an fhairsingithe (e.g. obair fhairsingithe an bhóthair, road-widening work)

What does “fairsingiú” mean?

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

widening
The verbal noun of 'fairsingigh': the act of making something wider or broader.Also: broadening, enlarging.
1 other meaning: expansion
2expansion
The act of extending or expanding something in size or scope.Also: extension, spreading, increase.

Other Irish words for widening: leathnú (widening)

“Fairsingiú” as a verbal noun

After ag, fairsingiú means widening: it is the verbal noun of the verb fairsingigh (to widen). A noun that follows it goes into the genitive.

agat
+
fairsingiúverbal noun
=
ag fairsingiúwidening

“Fairsingiú” with the article

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

an fairsingiú
the widening
No change after an

“Fairsingiú” in a sentence: Irish examples

Common Irish sentences using fairsingiú, the Irish word for widening.

Tá fairsingiú an bhóthair ar siúl anois.
The widening of the road is under way now.
Theastaigh fairsingiú ón scoil le blianta.
The school has needed expanding for years.
Cuireadh tús leis an bhfairsingiú inné.
The expansion started yesterday.
Beidh costas mór ar an bhfairsingiú sin.
That widening will cost a lot.
Tá plean fairsingithe ag an gcomhlacht.
The company has an expansion plan.
Labhair siad faoi fhairsingiú an Aontais Eorpaigh.
They talked about the enlargement of the European Union.
Ní raibh gach duine sásta leis an bhfairsingiú.
Not everyone was happy with the expansion.

Other nouns in Irish

More everyday Irish nouns to learn next.

Widening in Irish: frequently asked questions

What is the Irish for widening?

The Irish for widening is fairsingiú (pronounced “FAR-shing-oo”). It’s a masculine noun. Depending on context it can also mean expansion.

How do you pronounce fairsingiú in Irish?

Fairsingiú is said like “FAR-shing-oo” (IPA /ˈfˠaɾˠʃɪɲɟuː/).

Does fairsingiú have a plural?

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

Does fairsingiú have more than one meaning?

Yes. Fairsingiú can mean widening or expansion, depending on context; the first is the most common.

Why does fairsingiú change to fhairsingiú or bhfairsingiú?

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

How is 'fairsingiú' different from 'fairsinge'?

'Fairsinge' means wideness or extent as a quality, while 'fairsingiú' is the action of widening or expanding.

Is 'leathnú' the same as 'fairsingiú'?

They overlap; 'leathnú' is more common for widening or spreading, while 'fairsingiú' is often used for expansion or broadening.

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