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Lawful in Irish (dleathach): Meaning, Forms, Examples

Other uses of ‘dleathach’: rightful

The Irish for lawful is dleathach: conradh dleathach, a lawful contract.
Updated October 2026Report a mistake

How to say “lawful” in Irish

Irish:
dleathach
English:
lawful, rightful
Word type:
adjective
More lawful:
níos dleathaí
Most lawful:
is dleathaí
Plural:
dleathacha
Pronunciation:
“DLAH-hukh”  /dʲlʲahəx/

What does “dleathach” mean?

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

lawful
Allowed by law or in keeping with the law.Also: legal, legitimate, licit.
1 other meaning: rightful
2rightful
Having a proper legal right or claim to something.Also: legitimate, due.

Other Irish adjectives for lawful: dlíthiúil (legal)

“Dleathach” after a noun

An Irish adjective comes after its noun. Here is dleathach after conradh (contract, masculine), after scéim (scheme, feminine) and after a plural.

after a masculine nounconradh dleathacha lawful contract
after a feminine nounscéim dhleathacha lawful scheme
after a plural nounconarthaí dleathachalawful contracts

séimhiú (the h) the ending

feminine
scéimscheme
+
dleathachlawful
=
scéim dhleathacha lawful scheme

After a feminine noun the adjective gets a séimhiú, an h after its first letter: scéim dhleathach. After a masculine noun it stays as it is: conradh dleathach.

plural
conarthaícontracts
+
dleathachalawful, plural
=
conarthaí dleathachalawful contracts

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

More lawful, most lawful, very lawful

níosmore
+
dleathaílawful
=
níos dleathaímore lawful
ismost
+
dleathaílawful
=
is dleathaímost lawful

Tá an modh seo níos dleathaí ná an ceann eile. This method is more lawful than the other one.

more lawfulníos dleathaíin the past tense: ní ba dhleathaí
most lawfulis dleathaíin the past tense: ba dhleathaí
as lawful aschomh dleathach leno change after chomh
very lawfulan-dleathachan- lenites, except d, t and s
too lawfulródhleathachró- lenites

“Dleathach” in a sentence: Irish examples

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

Is conradh dleathach é seo.
This is a lawful contract.
Rinne sé gníomh dleathach.
He did a lawful act.
Bhí na cáipéisí go léir dleathacha.
All the documents were legal.
Tá an modh seo níos dleathaí ná an ceann eile.
This method is more lawful than the other one.
Níl sé dleathach é sin a dhéanamh.
It is not lawful to do that.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Lawful in Irish: frequently asked questions

What is the Irish for lawful?

The Irish for lawful is dleathach (pronounced “DLAH-hukh”). It comes after the noun: conradh dleathach, a lawful contract; scéim dhleathach, a lawful scheme.

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

níos dleathaí is more lawful and is dleathaí is most lawful. In the past tense they become ní ba dhleathaí and ba dhleathaí.

Why does dleathach become dhleathach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So scéim dhleathach (a lawful scheme) but conradh dleathach (a lawful contract), because conradh is masculine.

What is the plural of dleathach?

With a plural noun dleathach becomes dleathacha: conarthaí dleathacha, scéimeanna dleathacha.

How do you say very lawful in Irish?

an-dleathach. Too lawful is ródhleathach, and as lawful as is chomh dleathach le.

Does dleathach have more than one meaning?

Yes. Dleathach can mean lawful or rightful, depending on context; the first is the most common.

What is the difference between 'dleathach' and 'dlíthiúil'?

'Dleathach' means lawful or permitted by law, while 'dlíthiúil' usually means legal in the sense of relating to law, as in 'comhairle dhlíthiúil' (legal advice).

How do I say 'illegal' in Irish?

Use 'mídhleathach' or 'neamhdhleathach', for example 'Tá sé mídhleathach' (It is illegal).

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