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Conscientious in Irish (coinsiasach): Meaning, Forms, Examples

The Irish for conscientious is coinsiasach: oibrí coinsiasach, a conscientious worker.
Updated October 2026Report a mistake

How to say “conscientious” in Irish

Irish:
coinsiasach
English:
conscientious
Word type:
adjective
More conscientious:
níos coinsiasaí
Most conscientious:
is coinsiasaí
Plural:
coinsiasacha
Pronunciation:
“KUN-shee-uh-sukh”  /ˈkɪnʲʃiəsəx/

What does “coinsiasach” mean?

conscientious
Careful to do what is right and to do your work or duty thoroughly.Also: scrupulous, dutiful, diligent.

“Coinsiasach” after a noun

An Irish adjective comes after its noun. Here is coinsiasach after oibrí (worker, masculine), after bean (woman, feminine) and after a plural.

after a masculine nounoibrí coinsiasacha conscientious worker
after a feminine nounbean choinsiasacha conscientious woman
after a plural nounoibrithe coinsiasachaconscientious workers

séimhiú (the h) the ending

feminine
beanwoman
+
coinsiasachconscientious
=
bean choinsiasacha conscientious woman

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bean choinsiasach. After a masculine noun it stays as it is: oibrí coinsiasach.

plural
oibritheworkers
+
coinsiasachaconscientious, plural
=
oibrithe coinsiasachaconscientious workers

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

More conscientious, most conscientious, very conscientious

níosmore
+
coinsiasaíconscientious
=
níos coinsiasaímore conscientious
ismost
+
coinsiasaíconscientious
=
is coinsiasaímost conscientious

Tá Máire níos coinsiasaí ná a deartháir. Máire is more conscientious than her brother.

more conscientiousníos coinsiasaíin the past tense: ní ba choinsiasaí
most conscientiousis coinsiasaíin the past tense: ba choinsiasaí
as conscientious aschomh coinsiasach leno change after chomh
very conscientiousan-choinsiasachan- lenites, except d, t and s
too conscientiousróchoinsiasachró- lenites

“Coinsiasach” in a sentence: Irish examples

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

Is oibrí coinsiasach é Seán.
Seán is a conscientious worker.
Is altra choinsiasach í a deirfiúr.
Her sister is a conscientious nurse.
Tá na daltaí coinsiasacha ag obair go dian.
The conscientious pupils are working hard.
Tá Máire níos coinsiasaí ná a deartháir.
Máire is more conscientious than her brother.
Tá sí an-choinsiasach faoina cuid oibre.
She is very conscientious about her work.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Conscientious in Irish: frequently asked questions

What is the Irish for conscientious?

The Irish for conscientious is coinsiasach (pronounced “KUN-shee-uh-sukh”). It comes after the noun: oibrí coinsiasach, a conscientious worker; bean choinsiasach, a conscientious woman.

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

níos coinsiasaí is more conscientious and is coinsiasaí is most conscientious. In the past tense they become ní ba choinsiasaí and ba choinsiasaí.

Why does coinsiasach become choinsiasach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bean choinsiasach (a conscientious woman) but oibrí coinsiasach (a conscientious worker), because oibrí is masculine.

What is the plural of coinsiasach?

With a plural noun coinsiasach becomes coinsiasacha: oibrithe coinsiasacha, mná coinsiasacha.

How do you say very conscientious in Irish?

an-choinsiasach. Too conscientious is róchoinsiasach, and as conscientious as is chomh coinsiasach le.

How do you say 'conscientious objector' in Irish?

The usual term is 'agóideoir coinsiasach'.

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