HeyRua Get the app

Diligent in Irish (dícheallach): Meaning, Forms, Examples

The Irish for diligent is dícheallach: dalta dícheallach, a diligent pupil.
Updated October 2026Report a mistake

How to say “diligent” in Irish

Irish:
dícheallach
English:
diligent
Word type:
adjective
More diligent:
níos dícheallaí
Most diligent:
is dícheallaí
Plural:
dícheallacha
Pronunciation:
“DEE-hyal-ukh”  /ˈdʲiːçəl̪ˠəx/

What does “dícheallach” mean?

diligent
Always doing your best and working hard and carefully.Also: hard-working, industrious, assiduous, earnest.

Other Irish adjectives for diligent: díograiseach (diligent), dlúsúil (diligent)

“Dícheallach” after a noun

An Irish adjective comes after its noun. Here is dícheallach after dalta (pupil, masculine), after girseach (girl, feminine) and after a plural.

after a masculine noundalta dícheallacha diligent pupil
after a feminine noungirseach dhícheallacha diligent girl
after a plural noundaltaí dícheallachadiligent pupils

séimhiú (the h) the ending

feminine
girseachgirl
+
dícheallachdiligent
=
girseach dhícheallacha diligent girl

After a feminine noun the adjective gets a séimhiú, an h after its first letter: girseach dhícheallach. After a masculine noun it stays as it is: dalta dícheallach.

plural
daltaípupils
+
dícheallachadiligent, plural
=
daltaí dícheallachadiligent pupils

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

More diligent, most diligent, very diligent

níosmore
+
dícheallaídiligent
=
níos dícheallaímore diligent
ismost
+
dícheallaídiligent
=
is dícheallaímost diligent

Tá Máire níos dícheallaí ná a deartháir. Máire is more diligent than her brother.

more diligentníos dícheallaíin the past tense: ní ba dhícheallaí
most diligentis dícheallaíin the past tense: ba dhícheallaí
as diligent aschomh dícheallach leno change after chomh
very diligentan-dícheallachan- lenites, except d, t and s
too diligentródhícheallachró- lenites

“Dícheallach” in a sentence: Irish examples

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

Is dalta dícheallach é Seán.
Seán is a diligent pupil.
Tá banaltra dhícheallach san ospidéal.
There is a hard-working nurse in the hospital.
Bhí na hoibrithe dícheallacha tuirseach tráthnóna.
The hard-working workers were tired in the evening.
Tá Máire níos dícheallaí ná a deartháir.
Máire is more diligent than her brother.
Tá sí an-dícheallach ar scoil.
She is very hard-working at school.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Diligent in Irish: frequently asked questions

What is the Irish for diligent?

The Irish for diligent is dícheallach (pronounced “DEE-hyal-ukh”). It comes after the noun: dalta dícheallach, a diligent pupil; girseach dhícheallach, a diligent girl.

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

níos dícheallaí is more diligent and is dícheallaí is most diligent. In the past tense they become ní ba dhícheallaí and ba dhícheallaí.

Why does dícheallach become dhícheallach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So girseach dhícheallach (a diligent girl) but dalta dícheallach (a diligent pupil), because dalta is masculine.

What is the plural of dícheallach?

With a plural noun dícheallach becomes dícheallacha: daltaí dícheallacha, girseacha dícheallacha.

How do you say very diligent in Irish?

an-dícheallach. Too diligent is ródhícheallach, and as diligent as is chomh dícheallach le.

What noun is 'dícheallach' related to?

It comes from 'dícheall', meaning one's best effort, as in 'Rinne sé a dhícheall' (He did his best).

Learn Irish by
actually speaking it

Learn everyday Irish words like dícheallach through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen