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Useful in Irish (fóinteach): Meaning, Forms, Examples

Other uses of ‘fóinteach’: substantial

The Irish for useful is fóinteach: leabhar fóinteach, a useful book.
Updated October 2026Report a mistake

How to say “useful” in Irish

Irish:
fóinteach
English:
useful, substantial
Word type:
adjective
More useful:
níos fóintí
Most useful:
is fóintí
Plural:
fóinteacha
Pronunciation:
“FOHN-chukh”  /ˈfoːnʲtʲəx/

What does “fóinteach” mean?

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

useful
Serving a good practical purpose; handy and helpful.Also: serviceable, practical, handy, helpful.
1 other meaning: substantial
2substantial
Solid, sound and of good quality, as of food or a person who is capable.Also: sound, solid, good.

Other Irish adjectives for useful: praiticiúil (practical), cabhrach (helpful), úsáideach (useful), acrach (handy)

“Fóinteach” after a noun

An Irish adjective comes after its noun. Here is fóinteach after leabhar (book, masculine), after uirlis (tool, feminine) and after a plural.

after a masculine nounleabhar fóinteacha useful book
after a feminine nounuirlis fhóinteacha useful tool
after a plural nounleabhair fhóinteachauseful books

séimhiú (the h) the ending

feminine
uirlistool
+
fóinteachuseful
=
uirlis fhóinteacha useful tool

After a feminine noun the adjective gets a séimhiú, an h after its first letter: uirlis fhóinteach. After a masculine noun it stays as it is: leabhar fóinteach.

plural
leabhairbooks
+
fóinteachauseful, plural
=
leabhair fhóinteachauseful books

With a plural noun the adjective takes its plural form, fóinteacha. It also gets an h after a plural that ends in a slender consonant: leabhair fhóinteacha; after other plurals it does not: uirlisí fóinteacha.

More useful, most useful, very useful

níosmore
+
fóintíuseful
=
níos fóintímore useful
ismost
+
fóintíuseful
=
is fóintímost useful

Tá an t-eolas seo níos fóintí ná an seaneolas. This information is more useful than the old information.

more usefulníos fóintíin the past tense: ní b'fhóintí
most usefulis fóintíin the past tense: ab fhóintí
as useful aschomh fóinteach leno change after chomh
very usefulan-fhóinteachan- lenites, except d, t and s
too usefulrófhóinteachró- lenites

“Fóinteach” in a sentence: Irish examples

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

Fuair mé leabhar fóinteach sa siopa inné.
I got a useful book in the shop yesterday.
Is uirlis fhóinteach í seo don ghairdín.
This is a useful tool for the garden.
Thug an múinteoir comhairlí fóinteacha dúinn.
The teacher gave us useful advice.
Tá an t-eolas seo níos fóintí ná an seaneolas.
This information is more useful than the old information.
Tá an suíomh gréasáin seo an-fhóinteach.
This website is very useful.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Useful in Irish: frequently asked questions

What is the Irish for useful?

The Irish for useful is fóinteach (pronounced “FOHN-chukh”). It comes after the noun: leabhar fóinteach, a useful book; uirlis fhóinteach, a useful tool.

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

níos fóintí is more useful and is fóintí is most useful. In the past tense they become ní b'fhóintí and ab fhóintí.

Why does fóinteach become fhóinteach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So uirlis fhóinteach (a useful tool) but leabhar fóinteach (a useful book), because leabhar is masculine.

What is the plural of fóinteach?

With a plural noun fóinteach becomes fóinteacha: leabhair fhóinteacha, uirlisí fóinteacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very useful in Irish?

an-fhóinteach. Too useful is rófhóinteach, and as useful as is chomh fóinteach le.

Does fóinteach have more than one meaning?

Yes. Fóinteach can mean useful or substantial, depending on context; the first is the most common.

What is the difference between 'fóinteach' and 'úsáideach'?

Both mean useful. 'Úsáideach' is the everyday word, while 'fóinteach' often suggests something practical and serviceable, as in 'eolas fóinteach'.

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