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Powerful in Irish (cumhachtach): Meaning, Forms, Examples

The Irish for powerful is cumhachtach: rí cumhachtach, a powerful king.
Updated October 2026Report a mistake

How to say “powerful” in Irish

Irish:
cumhachtach
English:
powerful
Word type:
adjective
More powerful:
níos cumhachtaí
Most powerful:
is cumhachtaí
Plural:
cumhachtacha
Pronunciation:
“KOOKH-tukh”  /ˈkuːxt̪ˠəx/

What does “cumhachtach” mean?

powerful
Having great power, strength or influence.Also: mighty, strong, influential, potent.

Other Irish adjectives for powerful: láidir (strong), tréan (strong)

“Cumhachtach” after a noun

An Irish adjective comes after its noun. Here is cumhachtach after rí (king, masculine), after tír (country, feminine) and after a plural.

after a masculine nounrí cumhachtacha powerful king
after a feminine nountír chumhachtacha powerful country
after a plural nounríthe cumhachtachapowerful kings

séimhiú (the h) the ending

feminine
tírcountry
+
cumhachtachpowerful
=
tír chumhachtacha powerful country

After a feminine noun the adjective gets a séimhiú, an h after its first letter: tír chumhachtach. After a masculine noun it stays as it is: rí cumhachtach.

plural
ríthekings
+
cumhachtachapowerful, plural
=
ríthe cumhachtachapowerful kings

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

More powerful, most powerful, very powerful

níosmore
+
cumhachtaípowerful
=
níos cumhachtaímore powerful
ismost
+
cumhachtaípowerful
=
is cumhachtaímost powerful

Tá an t-inneall nua níos cumhachtaí ná an seancheann. The new engine is more powerful than the old one.

more powerfulníos cumhachtaíin the past tense: ní ba chumhachtaí
most powerfulis cumhachtaíin the past tense: ba chumhachtaí
as powerful aschomh cumhachtach leno change after chomh
very powerfulan-chumhachtachan- lenites, except d, t and s
too powerfulróchumhachtachró- lenites

“Cumhachtach” in a sentence: Irish examples

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

Bhí rí cumhachtach i gceannas ar an tír.
A powerful king ruled the country.
Is tír chumhachtach í an tSín.
China is a powerful country.
Tá na comhlachtaí cumhachtacha seo ag fás.
These powerful companies are growing.
Tá an t-inneall nua níos cumhachtaí ná an seancheann.
The new engine is more powerful than the old one.
Tá an ríomhaire seo an-chumhachtach.
This computer is very powerful.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Powerful in Irish: frequently asked questions

What is the Irish for powerful?

The Irish for powerful is cumhachtach (pronounced “KOOKH-tukh”). It comes after the noun: rí cumhachtach, a powerful king; tír chumhachtach, a powerful country.

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

níos cumhachtaí is more powerful and is cumhachtaí is most powerful. In the past tense they become ní ba chumhachtaí and ba chumhachtaí.

Why does cumhachtach become chumhachtach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So tír chumhachtach (a powerful country) but rí cumhachtach (a powerful king), because rí is masculine.

What is the plural of cumhachtach?

With a plural noun cumhachtach becomes cumhachtacha: ríthe cumhachtacha, tíortha cumhachtacha.

How do you say very powerful in Irish?

an-chumhachtach. Too powerful is róchumhachtach, and as powerful as is chomh cumhachtach le.

What is the difference between cumhachtach and láidir?

Láidir usually means physically strong, while cumhachtach means having power or influence, as in tír chumhachtach, a powerful country.

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