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Big in Irish (mór): Meaning, Forms, Examples

Other uses of ‘mór’: great · friendly with

The Irish for big is mór: fear mór, a big man.
Updated October 2026Report a mistake

How to say “big” in Irish

Irish:
mór
English:
big, great, friendly with
Word type:
adjective
Bigger:
níos mó
Biggest:
is mó
Plural:
móra
Pronunciation:
“more”  /mˠoːɾˠ/

What does “mór” mean?

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

big
Large in size, amount or degree.Also: large, huge, sizeable.
2 other meanings: great or friendly with
2great
Important, serious or considerable in extent.Also: major, serious, important.
3friendly with
On close, friendly terms with someone, used with 'le'.Also: close to, intimate with.

“Mór” after a noun

An Irish adjective comes after its noun. Here is mór after fear (man, masculine), after bean (woman, feminine) and after a plural.

after a masculine nounfear móra big man
after a feminine nounbean mhóra big woman
after a plural nounfir mhórabig men

séimhiú (the h) the ending

feminine
beanwoman
+
mórbig
=
bean mhóra big woman

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bean mhór. After a masculine noun it stays as it is: fear mór.

plural
firmen
+
mórabig, plural
=
fir mhórabig men

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

Bigger, biggest, very big

níosmore
+
móbig
=
níos móbigger
ismost
+
móbig
=
is móbiggest

Tá mo dheartháir níos mó ná mise. My brother is bigger than me.

biggerníos móin the past tense: ní ba mhó
biggestis móin the past tense: ba mhó
as big aschomh mór leno change after chomh
very bigan-mhóran- lenites, except d, t and s
too bigrómhórró- lenites

“Mór” in a sentence: Irish examples

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

Tá teach mór acu faoin tuath.
They have a big house in the country.
Is fadhb mhór í seo.
This is a big problem.
Tá na crainn mhóra sa pháirc.
The big trees are in the park.
Tá mo dheartháir níos mó ná mise.
My brother is bigger than me.
Tá an madra sin an-mhór.
That dog is very big.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Big in Irish: frequently asked questions

What is the Irish for big?

The Irish for big is mór (pronounced “more”). It comes after the noun: fear mór, a big man; bean mhór, a big woman.

How do you say bigger and biggest in Irish?

níos mó is bigger and is mó is biggest. In the past tense they become ní ba mhó and ba mhó.

Why does mór become mhór?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bean mhór (a big woman) but fear mór (a big man), because fear is masculine.

What is the plural of mór?

With a plural noun mór becomes móra: fir mhóra, mná móra. After a plural that ends in a slender consonant it is lenited as well.

How do you say very big in Irish?

an-mhór. Too big is rómhór, and as big as is chomh mór le.

Does mór have more than one meaning?

Yes. Mór can mean big, great or friendly with, depending on context; the first is the most common.

What does 'nach mór' mean?

'Nach mór' means almost or nearly, as in 'Tá sé nach mór réidh' (It's almost ready).

What is the comparative of 'mór'?

It is irregular: 'níos mó' means bigger or more, and 'is mó' means biggest or most.

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