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Concave in Irish (coguasach): Meaning, Forms, Examples

The Irish for concave is coguasach: scáthán coguasach, a concave mirror.
Updated October 2026Report a mistake

How to say “concave” in Irish

Irish:
coguasach
English:
concave
Word type:
adjective
More concave:
níos coguasaí
Most concave:
is coguasaí
Plural:
coguasacha
Pronunciation:
“KOG-oo-uh-sukh”  /ˈkɔɡuəsˠəx/

What does “coguasach” mean?

concave
Curving inwards like the inside of a bowl or a spoon.Also: hollow, curved inwards, dished.

“Coguasach” after a noun

An Irish adjective comes after its noun. Here is coguasach after scáthán (mirror, masculine), after spúnóg (spoon, feminine) and after a plural.

after a masculine nounscáthán coguasacha concave mirror
after a feminine nounspúnóg choguasacha concave spoon
after a plural nounscátháin choguasachaconcave mirrors

séimhiú (the h) the ending

feminine
spúnógspoon
+
coguasachconcave
=
spúnóg choguasacha concave spoon

After a feminine noun the adjective gets a séimhiú, an h after its first letter: spúnóg choguasach. After a masculine noun it stays as it is: scáthán coguasach.

plural
scátháinmirrors
+
coguasachaconcave, plural
=
scátháin choguasachaconcave mirrors

With a plural noun the adjective takes its plural form, coguasacha. It also gets an h after a plural that ends in a slender consonant: scátháin choguasacha; after other plurals it does not: spúnóga coguasacha.

More concave, most concave, very concave

níosmore
+
coguasaíconcave
=
níos coguasaímore concave
ismost
+
coguasaíconcave
=
is coguasaímost concave

Tá an taobh seo níos coguasaí ná an taobh eile. This side is more concave than the other side.

more concaveníos coguasaíin the past tense: ní ba choguasaí
most concaveis coguasaíin the past tense: ba choguasaí
as concave aschomh coguasach leno change after chomh
very concavean-choguasachan- lenites, except d, t and s
too concaveróchoguasachró- lenites

“Coguasach” in a sentence: Irish examples

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

Is scáthán coguasach é seo.
This is a concave mirror.
Tá spúnóg choguasach sa tarraiceán.
There is a concave spoon in the drawer.
Úsáidtear lionsaí coguasacha i spéaclaí.
Concave lenses are used in glasses.
Tá an taobh seo níos coguasaí ná an taobh eile.
This side is more concave than the other side.
Tá dromchla an bhabhla coguasach.
The surface of the bowl is concave.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Concave in Irish: frequently asked questions

What is the Irish for concave?

The Irish for concave is coguasach (pronounced “KOG-oo-uh-sukh”). It comes after the noun: scáthán coguasach, a concave mirror; spúnóg choguasach, a concave spoon.

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

níos coguasaí is more concave and is coguasaí is most concave. In the past tense they become ní ba choguasaí and ba choguasaí.

Why does coguasach become choguasach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So spúnóg choguasach (a concave spoon) but scáthán coguasach (a concave mirror), because scáthán is masculine.

What is the plural of coguasach?

With a plural noun coguasach becomes coguasacha: scátháin choguasacha, spúnóga coguasacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very concave in Irish?

an-choguasach. Too concave is róchoguasach, and as concave as is chomh coguasach le.

What is the opposite of coguasach?

The opposite is dronnach, convex, as in lionsa dronnach, a convex lens, compared with lionsa coguasach, a concave lens.

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