HeyRua Get the app

Certain in Irish (dearbh): Meaning, Forms, Examples

Other uses of ‘dearbh’: absolute

The Irish for certain is dearbh: scéal dearbh, a certain story.
Updated October 2026Report a mistake

How to say “certain” in Irish

Irish:
dearbh
English:
certain, absolute
Word type:
adjective
More certain:
níos deirbhe
Most certain:
is deirbhe
Plural:
dearbha
Pronunciation:
“DJAR-uv”  /dʲaɾˠəvˠ/

What does “dearbh” mean?

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

certain
Sure and beyond doubt; definite.Also: sure, definite, assured.
1 other meaning: absolute
2absolute
Real, genuine or complete, as in 'dearbhluach' (absolute value).Also: real, genuine, true.

Other Irish adjectives for certain: áirithe (certain), cinnte (sure), deimhin (certain), dearfa (certain)

“Dearbh” after a noun

An Irish adjective comes after its noun. Here is dearbh after scéal (story, masculine), after fianaise (evidence, feminine) and after a plural.

after a masculine nounscéal dearbha certain story
after a feminine nounfianaise dhearbhcertain evidence
after a plural nounscéalta dearbhacertain stories

séimhiú (the h) the ending

feminine
fianaiseevidence
+
dearbhcertain
=
fianaise dhearbhcertain evidence

After a feminine noun the adjective gets a séimhiú, an h after its first letter: fianaise dhearbh. After a masculine noun it stays as it is: scéal dearbh.

plural
scéaltastories
+
dearbhacertain, plural
=
scéalta dearbhacertain stories

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

More certain, most certain, very certain

níosmore
+
deirbhecertain
=
níos deirbhemore certain
ismost
+
deirbhecertain
=
is deirbhemost certain

Tá an scéal seo níos deirbhe ná an ceann eile. This story is more certain than the other one.

more certainníos deirbhein the past tense: ní ba dheirbhe
most certainis deirbhein the past tense: ba dheirbhe
as certain aschomh dearbh leno change after chomh
very certainan-dearbhan- lenites, except d, t and s
too certainródhearbhró- lenites

“Dearbh” in a sentence: Irish examples

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

Is scéal dearbh é sin, gan amhras.
That is a certain story, without doubt.
Thug sí fianaise dhearbh don chúirt.
She gave definite evidence to the court.
Níl aon fhreagraí dearbha againn fós.
We have no definite answers yet.
Tá an scéal seo níos deirbhe ná an ceann eile.
This story is more certain than the other one.
Tá sé dearbh go dtiocfaidh sé.
It is certain that he will come.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Certain in Irish: frequently asked questions

What is the Irish for certain?

The Irish for certain is dearbh (pronounced “DJAR-uv”). It comes after the noun: scéal dearbh, a certain story; fianaise dhearbh, certain evidence.

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

níos deirbhe is more certain and is deirbhe is most certain. In the past tense they become ní ba dheirbhe and ba dheirbhe.

Why does dearbh become dhearbh?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So fianaise dhearbh (certain evidence) but scéal dearbh (a certain story), because scéal is masculine.

What is the plural of dearbh?

With a plural noun dearbh becomes dearbha: scéalta dearbha, fianaisí dearbha.

How do you say very certain in Irish?

an-dearbh. Too certain is ródhearbh, and as certain as is chomh dearbh le.

Does dearbh have more than one meaning?

Yes. Dearbh can mean certain or absolute, depending on context; the first is the most common.

Is 'dearbh' the same as 'cinnte'?

Both mean certain, but 'cinnte' is the everyday word, while 'dearbh' is more formal or literary and is common in the phrase 'go dearbh' (certainly) and compounds like 'dearbhluach'.

Learn Irish by
actually speaking it

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

7-day free trial. Cancel anytime.

The HeyRua app home screen