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Fundamental in Irish (fuaimintiúil): Meaning, Forms, Examples

Other uses of ‘fuaimintiúil’: substantial

The Irish for fundamental is fuaimintiúil: prionsabal fuaimintiúil, a fundamental principle.
Updated October 2026Report a mistake

How to say “fundamental” in Irish

Irish:
fuaimintiúil
English:
fundamental, substantial
Word type:
adjective
More fundamental:
níos fuaimintiúla
Most fundamental:
is fuaimintiúla
Plural:
fuaimintiúla
Pronunciation:
“FOO-im-in-tool”  /ˈfˠuəmʲɪnʲtʲuːlʲ/

What does “fuaimintiúil” mean?

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

fundamental
Forming the basic or essential part of something.Also: basic, essential, underlying.
1 other meaning: substantial
2substantial
Having real substance, solid and well founded.Also: solid, sound.

Other Irish adjectives for fundamental: bunúsach (basic)

“Fuaimintiúil” after a noun

An Irish adjective comes after its noun. Here is fuaimintiúil after prionsabal (principle, masculine), after ceist (question, feminine) and after a plural.

after a masculine nounprionsabal fuaimintiúila fundamental principle
after a feminine nounceist fhuaimintiúila fundamental question
after a plural nounprionsabail fhuaimintiúlafundamental principles

séimhiú (the h) the ending

feminine
ceistquestion
+
fuaimintiúilfundamental
=
ceist fhuaimintiúila fundamental question

After a feminine noun the adjective gets a séimhiú, an h after its first letter: ceist fhuaimintiúil. After a masculine noun it stays as it is: prionsabal fuaimintiúil.

plural
prionsabailprinciples
+
fuaimintiúlafundamental, plural
=
prionsabail fhuaimintiúlafundamental principles

With a plural noun the adjective takes its plural form, fuaimintiúla. It also gets an h after a plural that ends in a slender consonant: prionsabail fhuaimintiúla; after other plurals it does not: ceisteanna fuaimintiúla.

More fundamental, most fundamental, very fundamental

níosmore
+
fuaimintiúlafundamental
=
níos fuaimintiúlamore fundamental
ismost
+
fuaimintiúlafundamental
=
is fuaimintiúlamost fundamental

Tá an fhadhb seo níos fuaimintiúla ná an ceann eile. This problem is more fundamental than the other one.

more fundamentalníos fuaimintiúlain the past tense: ní b'fhuaimintiúla
most fundamentalis fuaimintiúlain the past tense: ab fhuaimintiúla
as fundamental aschomh fuaimintiúil leno change after chomh
very fundamentalan-fhuaimintiúilan- lenites, except d, t and s
too fundamentalrófhuaimintiúilró- lenites

“Fuaimintiúil” in a sentence: Irish examples

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

Is prionsabal fuaimintiúil é sin.
That is a fundamental principle.
Chuir sí ceist fhuaimintiúil orm.
She asked me a fundamental question.
Tá athruithe fuaimintiúla ag teastáil.
Fundamental changes are needed.
Tá an fhadhb seo níos fuaimintiúla ná an ceann eile.
This problem is more fundamental than the other one.
Tá an cheist sin fíorfhuaimintiúil.
That question is truly fundamental.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Fundamental in Irish: frequently asked questions

What is the Irish for fundamental?

The Irish for fundamental is fuaimintiúil (pronounced “FOO-im-in-tool”). It comes after the noun: prionsabal fuaimintiúil, a fundamental principle; ceist fhuaimintiúil, a fundamental question.

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

níos fuaimintiúla is more fundamental and is fuaimintiúla is most fundamental. In the past tense they become ní b'fhuaimintiúla and ab fhuaimintiúla.

Why does fuaimintiúil become fhuaimintiúil?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So ceist fhuaimintiúil (a fundamental question) but prionsabal fuaimintiúil (a fundamental principle), because prionsabal is masculine.

What is the plural of fuaimintiúil?

With a plural noun fuaimintiúil becomes fuaimintiúla: prionsabail fhuaimintiúla, ceisteanna fuaimintiúla. After a plural that ends in a slender consonant it is lenited as well.

How do you say very fundamental in Irish?

an-fhuaimintiúil. Too fundamental is rófhuaimintiúil, and as fundamental as is chomh fuaimintiúil le.

Does fuaimintiúil have more than one meaning?

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

What is the difference between fuaimintiúil and bunúsach?

Both can mean fundamental or basic; bunúsach is more common in everyday speech, while fuaimintiúil is more formal and also suggests something solid and substantial.

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