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Black in Irish (dubh): Meaning, Forms, Examples

Other uses of ‘dubh’: black-haired · gloomy · black colour (noun, masculine)

The Irish for black is dubh: cat dubh, a black cat.
Updated October 2026Report a mistake

How to say “black” in Irish

Irish:
dubh
English:
black, black-haired, gloomy
Word type:
adjective
Blacker:
níos duibhe
Blackest:
is duibhe
Plural:
dubha
Pronunciation:
“duv”  /d̪ˠʊvˠ/

What does “dubh” mean?

“Dubh” has three alternative meanings. The most common comes first.

black
Having the darkest colour, like coal or night.Also: jet-black, pitch-black, dark.
2 other meanings: black-haired or gloomy
2black-haired
Having black or very dark hair.Also: dark-haired, dark.
3gloomy
Dark and dismal in mood or outlook.Also: dismal, dark, grim.
Other entries for “dubh”

The same spelling has its own page as:

“Dubh” after a noun

An Irish adjective comes after its noun. Here is dubh after cat (cat, masculine), after bó (cow, feminine) and after a plural.

after a masculine nouncat dubha black cat
after a feminine nounbó dhubha black cow
after a plural nouncait dhubhablack cats

séimhiú (the h) the ending

feminine
bócow
+
dubhblack
=
bó dhubha black cow

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bó dhubh. After a masculine noun it stays as it is: cat dubh.

plural
caitcats
+
dubhablack, plural
=
cait dhubhablack cats

With a plural noun the adjective takes its plural form, dubha. It also gets an h after a plural that ends in a slender consonant: cait dhubha; after other plurals it does not: ba dubha.

Blacker, blackest, very black

níosmore
+
duibheblack
=
níos duibheblacker
ismost
+
duibheblack
=
is duibheblackest

Tá a gruaig níos duibhe ná mo ghruaig. Her hair is blacker than mine.

blackerníos duibhein the past tense: ní ba dhuibhe
blackestis duibhein the past tense: ba dhuibhe
as black aschomh dubh leno change after chomh
very blackan-dubhan- lenites, except d, t and s
too blackródhubhró- lenites

“Dubh” in a sentence: Irish examples

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

Tá cat dubh ina shuí ar an mballa.
A black cat is sitting on the wall.
Is maith liom an chulaith dhubh.
I like the black suit.
Bhí scamaill dhubha os cionn an tsléibhe.
There were black clouds over the mountain.
Tá a gruaig níos duibhe ná mo ghruaig.
Her hair is blacker than mine.
Tá an spéir dubh anocht.
The sky is black tonight.

Phrases with dubh: Tá mé dubh dóite (I'm bored)

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Phrases with “dubh”

Black in Irish: frequently asked questions

What is the Irish for black?

The Irish for black is dubh (pronounced “duv”). It comes after the noun: cat dubh, a black cat; bó dhubh, a black cow.

How do you say blacker and blackest in Irish?

níos duibhe is blacker and is duibhe is blackest. In the past tense they become ní ba dhuibhe and ba dhuibhe.

Why does dubh become dhubh?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bó dhubh (a black cow) but cat dubh (a black cat), because cat is masculine.

What is the plural of dubh?

With a plural noun dubh becomes dubha: cait dhubha, ba dubha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very black in Irish?

an-dubh. Too black is ródhubh, and as black as is chomh dubh le.

Does dubh have more than one meaning?

Yes. Dubh can mean black, black-haired or gloomy, depending on context; the first is the most common.

What does 'dubh le daoine' mean?

'Tá an áit dubh le daoine' means the place is packed with people, literally black with people.

Is 'dubh' or 'dorcha' the word for a dark room?

Use 'dorcha' for lack of light, as in 'seomra dorcha'; 'dubh' is the colour black, though 'dubh dorcha' means pitch dark.

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