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Unsuccessful in Irish (mírathúil): Meaning, Forms, Examples

Other uses of ‘mírathúil’: unlucky

The Irish for unsuccessful is mírathúil: fear mírathúil, an unsuccessful man.
Updated October 2026Report a mistake

How to say “unsuccessful” in Irish

Irish:
mírathúil
English:
unsuccessful, unlucky
Word type:
adjective
More unsuccessful:
níos mírathúla
Most unsuccessful:
is mírathúla
Plural:
mírathúla
Pronunciation:
“mee-RA-hool”  /ˈmʲiːɾˠahuːlʲ/

What does “mírathúil” mean?

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

unsuccessful
Not having success or good fortune; failing to prosper.Also: unprosperous, unfortunate, failed.
1 other meaning: unlucky
2unlucky
Bringing or having bad luck.Also: ill-fated, luckless.

“Mírathúil” after a noun

An Irish adjective comes after its noun. Here is mírathúil after fear (man, masculine), after bliain (year, feminine) and after a plural.

after a masculine nounfear mírathúilan unsuccessful man
after a feminine nounbliain mhírathúilan unsuccessful year
after a plural nounfir mhírathúlaunsuccessful men

séimhiú (the h) the ending

feminine
bliainyear
+
mírathúilunsuccessful
=
bliain mhírathúilan unsuccessful year

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bliain mhírathúil. After a masculine noun it stays as it is: fear mírathúil.

plural
firmen
+
mírathúlaunsuccessful, plural
=
fir mhírathúlaunsuccessful men

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

More unsuccessful, most unsuccessful, very unsuccessful

níosmore
+
mírathúlaunsuccessful
=
níos mírathúlamore unsuccessful
ismost
+
mírathúlaunsuccessful
=
is mírathúlamost unsuccessful

Bhí an dara gnó níos mírathúla ná an chéad cheann. The second business was less successful than the first.

more unsuccessfulníos mírathúlain the past tense: ní ba mhírathúla
most unsuccessfulis mírathúlain the past tense: ba mhírathúla
as unsuccessful aschomh mírathúil leno change after chomh
very unsuccessfulan-mhírathúilan- lenites, except d, t and s
too unsuccessfulrómhírathúilró- lenites

“Mírathúil” in a sentence: Irish examples

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

Bhí séasúr mírathúil ag an bhfoireann.
The team had an unsuccessful season.
Ba bhliain mhírathúil í don fheirm.
It was an unsuccessful year for the farm.
Rinne siad roinnt iarrachtaí mírathúla.
They made several unsuccessful attempts.
Bhí an dara gnó níos mírathúla ná an chéad cheann.
The second business was less successful than the first.
Bhí an turas mírathúil ar fad.
The trip was completely unsuccessful.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Unsuccessful in Irish: frequently asked questions

What is the Irish for unsuccessful?

The Irish for unsuccessful is mírathúil (pronounced “mee-RA-hool”). It comes after the noun: fear mírathúil, an unsuccessful man; bliain mhírathúil, an unsuccessful year.

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

níos mírathúla is more unsuccessful and is mírathúla is most unsuccessful. In the past tense they become ní ba mhírathúla and ba mhírathúla.

Why does mírathúil become mhírathúil?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bliain mhírathúil (an unsuccessful year) but fear mírathúil (an unsuccessful man), because fear is masculine.

What is the plural of mírathúil?

With a plural noun mírathúil becomes mírathúla: fir mhírathúla, blianta mírathúla. After a plural that ends in a slender consonant it is lenited as well.

How do you say very unsuccessful in Irish?

an-mhírathúil. Too unsuccessful is rómhírathúil, and as unsuccessful as is chomh mírathúil le.

Does mírathúil have more than one meaning?

Yes. Mírathúil can mean unsuccessful or unlucky, depending on context; the first is the most common.

What is the opposite of 'mírathúil'?

The opposite is 'rathúil', meaning successful or prosperous; 'mírathúil' adds the negative prefix 'mí-'.

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