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Acute-angled in Irish (géaruilleach): Meaning, Forms, Examples

The Irish for acute-angled is géaruilleach: triantán géaruilleach, an acute-angled triangle.
Updated October 2026Report a mistake

How to say “acute-angled” in Irish

Irish:
géaruilleach
English:
acute-angled
Word type:
adjective
More acute-angled:
níos géaruillí
Most acute-angled:
is géaruillí
Plural:
géaruilleacha
Pronunciation:
“GAYR-il-yokh”  /ˈɡʲeːɾˌɪlʲəx/

What does “géaruilleach” mean?

acute-angled
Describes a shape, especially a triangle, whose angles are all less than ninety degrees.Also: acute angled, acute, sharp-angled.

“Géaruilleach” after a noun

An Irish adjective comes after its noun. Here is géaruilleach after triantán (triangle, masculine), after cearnóg (square, feminine) and after a plural.

after a masculine nountriantán géaruilleachan acute-angled triangle
after a feminine nouncearnóg ghéaruilleachan acute-angled square
after a plural nountriantáin ghéaruilleachaacute-angled triangles

séimhiú (the h) the ending

feminine
cearnógsquare
+
géaruilleachacute-angled
=
cearnóg ghéaruilleachan acute-angled square

After a feminine noun the adjective gets a séimhiú, an h after its first letter: cearnóg ghéaruilleach. After a masculine noun it stays as it is: triantán géaruilleach.

plural
triantáintriangles
+
géaruilleachaacute-angled, plural
=
triantáin ghéaruilleachaacute-angled triangles

With a plural noun the adjective takes its plural form, géaruilleacha. It also gets an h after a plural that ends in a slender consonant: triantáin ghéaruilleacha; after other plurals it does not: cearnóga géaruilleacha.

More acute-angled, most acute-angled, very acute-angled

níosmore
+
géaruillíacute-angled
=
níos géaruillímore acute-angled
ismost
+
géaruillíacute-angled
=
is géaruillímost acute-angled

Tá an triantán seo níos géaruillí ná an ceann eile. This triangle is more sharply angled than the other one.

more acute-angledníos géaruillíin the past tense: ní ba ghéaruillí
most acute-angledis géaruillíin the past tense: ba ghéaruillí
as acute-angled aschomh géaruilleach leno change after chomh
very acute-angledan-ghéaruilleachan- lenites, except d, t and s
too acute-angledróghéaruilleachró- lenites

“Géaruilleach” in a sentence: Irish examples

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

Tharraing sí triantán géaruilleach ar an gclár.
She drew an acute-angled triangle on the board.
Is fíor seo faoi gach figiúr géaruilleach.
This is true of every acute-angled figure.
Tá na triantáin seo go léir géaruilleacha.
These triangles are all acute-angled.
Tá an triantán seo níos géaruillí ná an ceann eile.
This triangle is more sharply angled than the other one.
Tá an triantán géaruilleach.
The triangle is acute-angled.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Acute-angled in Irish: frequently asked questions

What is the Irish for acute-angled?

The Irish for acute-angled is géaruilleach (pronounced “GAYR-il-yokh”). It comes after the noun: triantán géaruilleach, an acute-angled triangle; cearnóg ghéaruilleach, an acute-angled square.

How do you say more acute-angled and most acute-angled in Irish?

níos géaruillí is more acute-angled and is géaruillí is most acute-angled. In the past tense they become ní ba ghéaruillí and ba ghéaruillí.

Why does géaruilleach become ghéaruilleach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So cearnóg ghéaruilleach (an acute-angled square) but triantán géaruilleach (an acute-angled triangle), because triantán is masculine.

What is the plural of géaruilleach?

With a plural noun géaruilleach becomes géaruilleacha: triantáin ghéaruilleacha, cearnóga géaruilleacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very acute-angled in Irish?

an-ghéaruilleach. Too acute-angled is róghéaruilleach, and as acute-angled as is chomh géaruilleach le.

What is the opposite of 'géaruilleach'?

An obtuse-angled triangle is 'triantán maoluilleach', and a right-angled one is 'triantán dronuilleach'.

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