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Supplementary in Irish (forlíonach): Meaning, Forms, Examples

Other uses of ‘forlíonach’: supplemental

The Irish for supplementary is forlíonach: leabhar forlíonach, a supplementary book.
Updated October 2026Report a mistake

How to say “supplementary” in Irish

Irish:
forlíonach
English:
supplementary, supplemental
Word type:
adjective
More supplementary:
níos forlíonaí
Most supplementary:
is forlíonaí
Plural:
forlíonacha
Pronunciation:
“FOR-leen-ukh”  /ˈfˠɔɾˠlʲiːnˠəx/

What does “forlíonach” mean?

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

supplementary
Added to something to complete it or make it larger.Also: additional, extra, complementary.
1 other meaning: supplemental
2supplemental
Serving as a supplement to something already there, such as a document or budget.Also: added, auxiliary.

“Forlíonach” after a noun

An Irish adjective comes after its noun. Here is forlíonach after leabhar (book, masculine), after ceist (question, feminine) and after a plural.

after a masculine nounleabhar forlíonacha supplementary book
after a feminine nounceist fhorlíonacha supplementary question
after a plural nounleabhair fhorlíonachasupplementary books

séimhiú (the h) the ending

feminine
ceistquestion
+
forlíonachsupplementary
=
ceist fhorlíonacha supplementary question

After a feminine noun the adjective gets a séimhiú, an h after its first letter: ceist fhorlíonach. After a masculine noun it stays as it is: leabhar forlíonach.

plural
leabhairbooks
+
forlíonachasupplementary, plural
=
leabhair fhorlíonachasupplementary books

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

More supplementary, most supplementary, very supplementary

níosmore
+
forlíonaísupplementary
=
níos forlíonaímore supplementary
ismost
+
forlíonaísupplementary
=
is forlíonaímost supplementary

Tá an t-eolas seo níos forlíonaí ná an chéad leagan. This information is more supplementary than the first version.

more supplementaryníos forlíonaíin the past tense: ní b'fhorlíonaí
most supplementaryis forlíonaíin the past tense: ab fhorlíonaí
as supplementary aschomh forlíonach leno change after chomh
very supplementaryan-fhorlíonachan- lenites, except d, t and s
too supplementaryrófhorlíonachró- lenites

“Forlíonach” in a sentence: Irish examples

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

Cheannaigh mé leabhar forlíonach don chúrsa.
I bought a supplementary book for the course.
Chuir an múinteoir ceist fhorlíonach orm.
The teacher asked me a supplementary question.
Tá ábhair fhorlíonacha ar fáil ar líne.
Supplementary materials are available online.
Tá an t-eolas seo níos forlíonaí ná an chéad leagan.
This information is more supplementary than the first version.
Tá an t-ábhar seo forlíonach don leabhar.
This material is supplementary to the book.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Supplementary in Irish: frequently asked questions

What is the Irish for supplementary?

The Irish for supplementary is forlíonach (pronounced “FOR-leen-ukh”). It comes after the noun: leabhar forlíonach, a supplementary book; ceist fhorlíonach, a supplementary question.

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

níos forlíonaí is more supplementary and is forlíonaí is most supplementary. In the past tense they become ní b'fhorlíonaí and ab fhorlíonaí.

Why does forlíonach become fhorlíonach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So ceist fhorlíonach (a supplementary question) but leabhar forlíonach (a supplementary book), because leabhar is masculine.

What is the plural of forlíonach?

With a plural noun forlíonach becomes forlíonacha: leabhair fhorlíonacha, ceisteanna forlíonacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very supplementary in Irish?

an-fhorlíonach. Too supplementary is rófhorlíonach, and as supplementary as is chomh forlíonach le.

Does forlíonach have more than one meaning?

Yes. Forlíonach can mean supplementary or supplemental, depending on context; the first is the most common.

What is the difference between 'forlíonach' and 'breise'?

'Forlíonach' is a formal word for supplementary, as in 'ceist fhorlíonach', while 'breise' is the everyday word for extra, as in 'am breise'.

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