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Cardinal in Irish (cairdinéalach): Meaning, Forms, Examples

The Irish for cardinal is cairdinéalach: pointe cairdinéalach, a cardinal point.
Updated October 2026Report a mistake

How to say “cardinal” in Irish

Irish:
cairdinéalach
English:
cardinal
Word type:
adjective
More cardinal:
níos cairdinéalaí
Most cardinal:
is cairdinéalaí
Plural:
cairdinéalacha
Pronunciation:
“KAR-jin-ay-lukh”  /ˈkaɾʲdʲɪnʲeːl̪ˠəx/

What does “cairdinéalach” mean?

cardinal
Of chief or fundamental importance, as in the cardinal points or cardinal numbers.Also: principal, fundamental, chief.

“Cairdinéalach” after a noun

An Irish adjective comes after its noun. Here is cairdinéalach after pointe (point, masculine), after uimhir (number, feminine) and after a plural.

after a masculine nounpointe cairdinéalacha cardinal point
after a feminine nounuimhir chairdinéalacha cardinal number
after a plural nounpointí cairdinéalachacardinal points

séimhiú (the h) the ending

feminine
uimhirnumber
+
cairdinéalachcardinal
=
uimhir chairdinéalacha cardinal number

After a feminine noun the adjective gets a séimhiú, an h after its first letter: uimhir chairdinéalach. After a masculine noun it stays as it is: pointe cairdinéalach.

plural
pointípoints
+
cairdinéalachacardinal, plural
=
pointí cairdinéalachacardinal points

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

More cardinal, most cardinal, very cardinal

níosmore
+
cairdinéalaícardinal
=
níos cairdinéalaímore cardinal
ismost
+
cairdinéalaícardinal
=
is cairdinéalaímost cardinal

Níl aon phrionsabal níos cairdinéalaí ná sin. There is no more fundamental principle than that.

more cardinalníos cairdinéalaíin the past tense: ní ba chairdinéalaí
most cardinalis cairdinéalaíin the past tense: ba chairdinéalaí
as cardinal aschomh cairdinéalach leno change after chomh
very cardinalan-chairdinéalachan- lenites, except d, t and s
too cardinalróchairdinéalachró- lenites

“Cairdinéalach” in a sentence: Irish examples

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

Is pointe cairdinéalach é an tuaisceart.
North is a cardinal point.
Is uimhir chairdinéalach í a trí.
Three is a cardinal number.
Tá ceithre phointe chairdinéalacha ar an gcompás.
There are four cardinal points on the compass.
Níl aon phrionsabal níos cairdinéalaí ná sin.
There is no more fundamental principle than that.
Tá an cheist seo cairdinéalach don phlean.
This question is fundamental to the plan.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Cardinal in Irish: frequently asked questions

What is the Irish for cardinal?

The Irish for cardinal is cairdinéalach (pronounced “KAR-jin-ay-lukh”). It comes after the noun: pointe cairdinéalach, a cardinal point; uimhir chairdinéalach, a cardinal number.

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

níos cairdinéalaí is more cardinal and is cairdinéalaí is most cardinal. In the past tense they become ní ba chairdinéalaí and ba chairdinéalaí.

Why does cairdinéalach become chairdinéalach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So uimhir chairdinéalach (a cardinal number) but pointe cairdinéalach (a cardinal point), because pointe is masculine.

What is the plural of cairdinéalach?

With a plural noun cairdinéalach becomes cairdinéalacha: pointí cairdinéalacha, uimhreacha cairdinéalacha.

How do you say very cardinal in Irish?

an-chairdinéalach. Too cardinal is róchairdinéalach, and as cardinal as is chomh cairdinéalach le.

What is the opposite of 'uimhir chairdinéalach'?

An ordinal number is 'uimhir ordúil', such as 'an tríú' (the third), whereas 'uimhir chairdinéalach' is a counting number like 'trí'.

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