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Great in Irish (diail): Meaning, Forms, Examples

Other uses of ‘diail’: extreme · dial (noun, feminine)

The Irish for great is diail: lá diail, a great day.
Updated October 2026Report a mistake

How to say “great” in Irish

Irish:
diail
English:
great, extreme
Word type:
adjective
Greater:
níos diaile
Greatest:
is diaile
Plural:
diaile
Pronunciation:
“jee-al”  /dʲiəlʲ/

What does “diail” mean?

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

great
Very good, excellent or splendid; often used to show enthusiasm.Also: excellent, splendid, first-rate, terrific.
1 other meaning: extreme
2extreme
Very great in amount or degree, often in a surprising or excessive way.Also: terrible, devilish, tremendous.

Other Irish adjectives for great: iontach (wonderful)

Other entries for “diail”

The same spelling has its own page as:

“Diail” after a noun

An Irish adjective comes after its noun. Here is diail after lá (day, masculine), after oíche (night, feminine) and after a plural.

after a masculine nounlá diaila great day
after a feminine nounoíche dhiaila great night
after a plural nounlaethanta diailegreat days

séimhiú (the h) the ending

feminine
oíchenight
+
diailgreat
=
oíche dhiaila great night

After a feminine noun the adjective gets a séimhiú, an h after its first letter: oíche dhiail. After a masculine noun it stays as it is: lá diail.

plural
laethantadays
+
diailegreat, plural
=
laethanta diailegreat days

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

Greater, greatest, very great

níosmore
+
diailegreat
=
níos diailegreater
ismost
+
diailegreat
=
is diailegreatest
greaterníos diailein the past tense: ní ba dhiaile
greatestis diailein the past tense: ba dhiaile
as great aschomh diail leno change after chomh
very greatan-diailan- lenites, except d, t and s
too greatródhiailró- lenites

“Diail” in a sentence: Irish examples

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

Bhí lá diail againn ar an trá.
We had a great day on the beach.
B'oíche dhiail í.
It was a terrific night.
Tá ceoltóirí diaile sa bhaile seo.
There are great musicians in this town.
Bhí an cluiche inné go diail ar fad.
Yesterday's match was absolutely great.
Tá an ceol seo diail.
This music is great.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Great in Irish: frequently asked questions

What is the Irish for great?

The Irish for great is diail (pronounced “jee-al”). It comes after the noun: lá diail, a great day; oíche dhiail, a great night.

How do you say greater and greatest in Irish?

níos diaile is greater and is diaile is greatest. In the past tense they become ní ba dhiaile and ba dhiaile.

Why does diail become dhiail?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So oíche dhiail (a great night) but lá diail (a great day), because lá is masculine.

What is the plural of diail?

With a plural noun diail becomes diaile: laethanta diaile, oícheanta diaile.

How do you say very great in Irish?

an-diail. Too great is ródhiail, and as great as is chomh diail le.

Does diail have more than one meaning?

Yes. Diail can mean great or extreme, depending on context; the first is the most common.

How do I use diail to answer 'how are you?'

You can simply say 'Go diail!', meaning 'Great!' or 'Splendid!'.

Is diail related to the word for devil?

Yes, 'diail' is linked to 'diabhal' (devil), which is why it can also mean devilish or extreme, much like 'uafásach' can mean both terrible and very.

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