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Investment in Irish (Infheistiú): Meaning, Pronunciation, Usage

The Irish for investment is infheistiú, a masculine noun. Ag infheistiú is investing, from the verb infheistigh.
Updated October 2026Report a mistake

How to say “investment” in Irish

Irish:
infheistiú
English:
investment
Word type:
noun (verbal noun)
Verbal noun of:
infheistigh, to invest (ag infheistiú, investing)
Gender:
masculine
Pronunciation:
“IN-esh-tyoo”  /ˈɪnʲɛʃtʲuː/
Various forms
Genitive singular:
infheistithe, an infheistithe (e.g. ráta infheistithe, rate of investment)

What does “infheistiú” mean?

investment
The act of putting money into something to earn a profit; it is the verbal noun of the verb 'infheistigh'.Also: investing, capital investment.

Other Irish words for investment: infheistíocht (investment)

“Infheistiú” as a verbal noun

After ag, infheistiú means investing: it is the verbal noun of the verb infheistigh (to invest). A noun that follows it goes into the genitive.

agat
+
infheistiúverbal noun
=
ag infheistiúinvesting

“Infheistiú” with the article

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

an t-infheistiú
the investment
Masculine nouns take t before a vowel after an

“Infheistiú” in a sentence: Irish examples

Common Irish sentences using infheistiú, the Irish word for investment.

Tá infheistiú mór ag teastáil sa réigiún.
The region needs major investment.
Mhéadaigh an t-infheistiú eachtrach anuraidh.
Foreign investment increased last year.
Is maith an t-infheistiú é an t-oideachas.
Education is a good investment.
Tá an rialtas ag brath ar infheistiú príobháideach.
The government is relying on private investment.
Cuireadh plean infheistithe nua faoi bhráid an bhoird.
A new investment plan was put before the board.
Bhí sé ag smaoineamh ar infheistiú i dteach.
He was thinking about investing in a house.
Tháinig fás ar an infheistiú sa tionscal.
Investment in the industry grew.

Other nouns in Irish

More everyday Irish nouns to learn next.

Investment in Irish: frequently asked questions

What is the Irish for investment?

The Irish for investment is infheistiú (pronounced “IN-esh-tyoo”). It’s a masculine noun.

How do you pronounce infheistiú in Irish?

Infheistiú is said like “IN-esh-tyoo” (IPA /ˈɪnʲɛʃtʲuː/).

Does infheistiú have a plural?

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

Why does infheistiú sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-infheistiú (the investment), a hinfheistiú (her investment), a n-infheistiú (their investment).

What is the difference between 'infheistiú' and 'infheistíocht'?

'Infheistiú' is the verbal noun, the act of investing, while 'infheistíocht' usually refers to an investment as a thing; in practice both often translate as 'investment'.

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