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Hilly in Irish (cnocach): Meaning, Forms, Examples

The Irish for hilly is cnocach: ceantar cnocach, a hilly area.
Updated October 2026Report a mistake

How to say “hilly” in Irish

Irish:
cnocach
English:
hilly
Word type:
adjective
Hillier:
níos cnocaí
Hilliest:
is cnocaí
Plural:
cnocacha
Pronunciation:
“KNUK-okh”  /ˈkn̪ˠʊkəx/

What does “cnocach” mean?

hilly
Describes land or country that has many hills.Also: full of hills, undulating, rolling.

Other Irish adjectives for hilly: sléibhtiúil (mountainous)

“Cnocach” after a noun

An Irish adjective comes after its noun. Here is cnocach after ceantar (area, masculine), after tír (country, feminine) and after a plural.

after a masculine nounceantar cnocacha hilly area
after a feminine nountír chnocacha hilly country
after a plural nounceantair chnocachahilly areas

séimhiú (the h) the ending

feminine
tírcountry
+
cnocachhilly
=
tír chnocacha hilly country

After a feminine noun the adjective gets a séimhiú, an h after its first letter: tír chnocach. After a masculine noun it stays as it is: ceantar cnocach.

plural
ceantairareas
+
cnocachahilly, plural
=
ceantair chnocachahilly areas

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

Hillier, hilliest, very hilly

níosmore
+
cnocaíhilly
=
níos cnocaíhillier
ismost
+
cnocaíhilly
=
is cnocaíhilliest

Tá an taobh thiar níos cnocaí ná an taobh thoir. The west is hillier than the east.

hillierníos cnocaíin the past tense: ní ba chnocaí
hilliestis cnocaíin the past tense: ba chnocaí
as hilly aschomh cnocach leno change after chomh
very hillyan-chnocachan- lenites, except d, t and s
too hillyróchnocachró- lenites

“Cnocach” in a sentence: Irish examples

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

Tá an ceantar timpeall an bhaile cnocach.
The area around the town is hilly.
Is tír chnocach í Éire in áiteanna.
Ireland is a hilly country in places.
Shiúlamar trí bhóithre cnocacha.
We walked along hilly roads.
Tá an taobh thiar níos cnocaí ná an taobh thoir.
The west is hillier than the east.
Tá an talamh anseo an-chnocach.
The land here is very hilly.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Hilly in Irish: frequently asked questions

What is the Irish for hilly?

The Irish for hilly is cnocach (pronounced “KNUK-okh”). It comes after the noun: ceantar cnocach, a hilly area; tír chnocach, a hilly country.

How do you say hillier and hilliest in Irish?

níos cnocaí is hillier and is cnocaí is hilliest. In the past tense they become ní ba chnocaí and ba chnocaí.

Why does cnocach become chnocach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So tír chnocach (a hilly country) but ceantar cnocach (a hilly area), because ceantar is masculine.

What is the plural of cnocach?

With a plural noun cnocach becomes cnocacha: ceantair chnocacha, tíortha cnocacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very hilly in Irish?

an-chnocach. Too hilly is róchnocach, and as hilly as is chomh cnocach le.

What is the difference between cnocach and sléibhtiúil?

Cnocach means hilly, from cnoc 'hill', while sléibhtiúil means mountainous, from sliabh 'mountain'.

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