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Devilish in Irish (diabhlaí): Meaning, Forms, Examples

Other uses of ‘diabhlaí’: mischievous · damnable

The Irish for devilish is diabhlaí: buachaill diabhlaí, a devilish boy.
Updated October 2026Report a mistake

How to say “devilish” in Irish

Irish:
diabhlaí
English:
devilish, mischievous, damnable
Word type:
adjective
More devilish:
níos diabhlaí
Most devilish:
is diabhlaí
Pronunciation:
“JOW-lee”  /ˈdʲəulˠiː/

What does “diabhlaí” mean?

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

devilish
Wicked or evil, like the devil.Also: diabolical, fiendish, satanic.
2 other meanings: mischievous or damnable
2mischievous
Full of mischief or playful naughtiness.Also: naughty, impish, roguish.
3damnable
Very bad or annoying, used to show strong dislike.Also: cursed, accursed, hateful.

Other Irish adjectives for devilish: diabhalta (devilish)

“Diabhlaí” after a noun

An Irish adjective comes after its noun. Here is diabhlaí after buachaill (boy, masculine), after girseach (girl, feminine) and after a plural.

after a masculine nounbuachaill diabhlaía devilish boy
after a feminine noungirseach dhiabhlaía devilish girl
after a plural nounbuachaillí diabhlaídevilish boys

séimhiú (the h) the ending

feminine
girseachgirl
+
diabhlaídevilish
=
girseach dhiabhlaía devilish girl

After a feminine noun the adjective gets a séimhiú, an h after its first letter: girseach dhiabhlaí. After a masculine noun it stays as it is: buachaill diabhlaí.

plural
buachaillíboys
+
diabhlaídevilish, plural
=
buachaillí diabhlaídevilish boys

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

More devilish, most devilish, very devilish

níosmore
+
diabhlaídevilish
=
níos diabhlaímore devilish
ismost
+
diabhlaídevilish
=
is diabhlaímost devilish

Tá sé níos diabhlaí ná a dheartháir. He is more mischievous than his brother.

more devilishníos diabhlaíin the past tense: ní ba dhiabhlaí
most devilishis diabhlaíin the past tense: ba dhiabhlaí
as devilish aschomh diabhlaí leno change after chomh
very devilishan-diabhlaían- lenites, except d, t and s
too devilishródhiabhlaíró- lenites

“Diabhlaí” in a sentence: Irish examples

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

Is buachaill diabhlaí é an mac is óige.
The youngest son is a mischievous boy.
Bhí cuma dhiabhlaí ar a aghaidh.
He had a devilish look on his face.
Bhí na páistí diabhlaí ag déanamh torainn.
The mischievous children were making noise.
Tá sé níos diabhlaí ná a dheartháir.
He is more mischievous than his brother.
Tá an madra sin diabhlaí ar fad.
That dog is really mischievous.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Devilish in Irish: frequently asked questions

What is the Irish for devilish?

The Irish for devilish is diabhlaí (pronounced “JOW-lee”). It comes after the noun: buachaill diabhlaí, a devilish boy; girseach dhiabhlaí, a devilish girl.

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

níos diabhlaí is more devilish and is diabhlaí is most devilish. In the past tense they become ní ba dhiabhlaí and ba dhiabhlaí.

Why does diabhlaí become dhiabhlaí?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So girseach dhiabhlaí (a devilish girl) but buachaill diabhlaí (a devilish boy), because buachaill is masculine.

How do you say very devilish in Irish?

an-diabhlaí. Too devilish is ródhiabhlaí, and as devilish as is chomh diabhlaí le.

Does diabhlaí have more than one meaning?

Yes. Diabhlaí can mean devilish, mischievous or damnable, depending on context; the first is the most common.

Is 'diabhlaí' always about evil?

No. When used of children, 'diabhlaí' usually means mischievous or naughty rather than truly evil, much like 'dána'.

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