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Green in Irish (glas): Meaning, Forms, Examples

Other uses of ‘glas’: grey · raw · environmentally friendly · lock (noun, masculine)

The Irish for green is glas: féar glas, green grass.
Updated October 2026Report a mistake

How to say “green” in Irish

Irish:
glas
English:
green, grey, raw, environmentally friendly
Word type:
adjective
Greener:
níos glaise
Greenest:
is glaise
Plural:
glasa
Pronunciation:
“glass”  /ɡl̪ˠasˠ/

What does “glas” mean?

“Glas” has four alternative meanings. The most common comes first.

green
Having the colour of grass and leaves in nature.Also: verdant, grassy.
3 other meanings: grey or raw or environmentally friendly
2grey
Grey or blue-grey, used especially of animals, stone, the sea and the sky.Also: blue-grey, grey-blue.
3raw
Inexperienced or not yet mature, like someone new to a job.Also: inexperienced, unripe, immature, callow.
4environmentally friendly
Supporting the protection of nature and the environment.Also: green, eco-friendly.

Other Irish adjectives for green: uaine (green), neamhaibí (unripe)

Other entries for “glas”

The same spelling has its own page as:

“Glas” after a noun

An Irish adjective comes after its noun. Here is glas after féar (grass, masculine), after páirc (field, feminine) and after a plural.

after a masculine nounféar glasgreen grass
after a feminine nounpáirc ghlasa green field
after a plural nounféara glasagreen grasses

séimhiú (the h) the ending

feminine
páircfield
+
glasgreen
=
páirc ghlasa green field

After a feminine noun the adjective gets a séimhiú, an h after its first letter: páirc ghlas. After a masculine noun it stays as it is: féar glas.

plural
féaragrasses
+
glasagreen, plural
=
féara glasagreen grasses

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

Greener, greenest, very green

níosmore
+
glaisegreen
=
níos glaisegreener
ismost
+
glaisegreen
=
is glaisegreenest

Tá an gort seo níos glaise ná an ceann thall. This field is greener than the one over there.

greenerníos glaisein the past tense: ní ba ghlaise
greenestis glaisein the past tense: ba ghlaise
as green aschomh glas leno change after chomh
very greenan-ghlasan- lenites, except d, t and s
too greenróghlasró- lenites

“Glas” in a sentence: Irish examples

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

Tá an féar glas tar éis na báistí.
The grass is green after the rain.
Shiúlamar trasna na páirce glaise.
We walked across the green field.
Bhí na crainn ghlasa go hálainn.
The green trees were beautiful.
Tá an gort seo níos glaise ná an ceann thall.
This field is greener than the one over there.
Tá na duilleoga glas fós.
The leaves are still green.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Green in Irish: frequently asked questions

What is the Irish for green?

The Irish for green is glas (pronounced “glass”). It comes after the noun: féar glas, green grass; páirc ghlas, a green field.

How do you say greener and greenest in Irish?

níos glaise is greener and is glaise is greenest. In the past tense they become ní ba ghlaise and ba ghlaise.

Why does glas become ghlas?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So páirc ghlas (a green field) but féar glas (green grass), because féar is masculine.

What is the plural of glas?

With a plural noun glas becomes glasa: féara glasa, páirceanna glasa.

How do you say very green in Irish?

an-ghlas. Too green is róghlas, and as green as is chomh glas le.

Does glas have more than one meaning?

Yes. Glas can mean green, grey, raw or environmentally friendly, depending on context; the first is the most common.

What is the difference between 'glas' and 'uaithne'?

'Glas' is the everyday word for the green of nature, while 'uaithne' is a brighter green used for things like paint and clothing. 'Glas' can also mean grey, as in 'capall glas'.

Is 'glas' in 'faoi ghlas' the same word?

No, 'faoi ghlas' (locked) comes from the noun 'glas', meaning a lock. It is a separate word from the adjective.

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