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Illegitimate in Irish (neamhdhlisteanach): Meaning, Forms, Examples

Other uses of ‘neamhdhlisteanach’: unlawful · disloyal

The Irish for illegitimate is neamhdhlisteanach: leanbh neamhdhlisteanach, an illegitimate child.
Updated October 2026Report a mistake

How to say “illegitimate” in Irish

Irish:
neamhdhlisteanach
English:
illegitimate, unlawful, disloyal
Word type:
adjective
More illegitimate:
níos neamhdhlisteanaí
Most illegitimate:
is neamhdhlisteanaí
Plural:
neamhdhlisteanacha
Pronunciation:
“NYAV-gleesh-tyan-ukh”  /ˈnʲaʊˌɣlʲiʃtʲənˠəx/

What does “neamhdhlisteanach” mean?

“Neamhdhlisteanach” has three alternative meanings. The most common comes first.

illegitimate
Not legitimate, especially of a child born to parents who are not married to each other.Also: born out of wedlock.
2 other meanings: unlawful or disloyal
2unlawful
Not allowed by law or not legally valid.Also: illegal, not legitimate, invalid.
3disloyal
Not loyal or faithful to a person, ruler or cause.Also: unfaithful.

“Neamhdhlisteanach” after a noun

An Irish adjective comes after its noun. Here is neamhdhlisteanach after leanbh (child, masculine), after iníon (daughter, feminine) and after a plural.

after a masculine nounleanbh neamhdhlisteanachan illegitimate child
after a feminine nouniníon neamhdhlisteanachan illegitimate daughter
after a plural nounleanaí neamhdhlisteanachaillegitimate children

séimhiú (the h) the ending

plural
leanaíchildren
+
neamhdhlisteanachaillegitimate, plural
=
leanaí neamhdhlisteanachaillegitimate children

With a plural noun the adjective takes its plural form, neamhdhlisteanacha.

More illegitimate, most illegitimate, very illegitimate

níosmore
+
neamhdhlisteanaíillegitimate
=
níos neamhdhlisteanaímore illegitimate
ismost
+
neamhdhlisteanaíillegitimate
=
is neamhdhlisteanaímost illegitimate

Bhí an socrú seo níos neamhdhlisteanaí ná an ceann eile. This arrangement was more unlawful than the other one.

more illegitimateníos neamhdhlisteanaíin the past tense: ní ba neamhdhlisteanaí
most illegitimateis neamhdhlisteanaíin the past tense: ba neamhdhlisteanaí
as illegitimate aschomh neamhdhlisteanach leno change after chomh
very illegitimatean-neamhdhlisteanachan- lenites, except d, t and s
too illegitimateróneamhdhlisteanachró- lenites

“Neamhdhlisteanach” in a sentence: Irish examples

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

Rugadh leanbh neamhdhlisteanach di.
She gave birth to an illegitimate child.
Bhí iníon neamhdhlisteanach ag an rí.
The king had an illegitimate daughter.
Bhí beirt mhac neamhdhlisteanacha aige.
He had two illegitimate sons.
Bhí an socrú seo níos neamhdhlisteanaí ná an ceann eile.
This arrangement was more unlawful than the other one.
Tá an conradh sin neamhdhlisteanach.
That contract is unlawful.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Illegitimate in Irish: frequently asked questions

What is the Irish for illegitimate?

The Irish for illegitimate is neamhdhlisteanach (pronounced “NYAV-gleesh-tyan-ukh”). It comes after the noun: leanbh neamhdhlisteanach, an illegitimate child; iníon neamhdhlisteanach, an illegitimate daughter.

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

níos neamhdhlisteanaí is more illegitimate and is neamhdhlisteanaí is most illegitimate. In the past tense they become ní ba neamhdhlisteanaí and ba neamhdhlisteanaí.

What is the plural of neamhdhlisteanach?

With a plural noun neamhdhlisteanach becomes neamhdhlisteanacha: leanaí neamhdhlisteanacha, iníonacha neamhdhlisteanacha.

How do you say very illegitimate in Irish?

an-neamhdhlisteanach. Too illegitimate is róneamhdhlisteanach, and as illegitimate as is chomh neamhdhlisteanach le.

Does neamhdhlisteanach have more than one meaning?

Yes. Neamhdhlisteanach can mean illegitimate, unlawful or disloyal, depending on context; the first is the most common.

What is the difference between neamhdhlisteanach and mídhleathach?

Neamhdhlisteanach means not legitimate, often of birth or a claim, while mídhleathach means illegal, against the law, as in gníomh mídhleathach.

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