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Mandatory in Irish (sainordaitheach): Meaning, Forms, Examples

Other uses of ‘sainordaitheach’: mandated

The Irish for mandatory is sainordaitheach: riachtanas sainordaitheach, a mandatory need.
Updated October 2026Report a mistake

How to say “mandatory” in Irish

Irish:
sainordaitheach
English:
mandatory, mandated
Word type:
adjective
More mandatory:
níos sainordaithí
Most mandatory:
is sainordaithí
Plural:
sainordaitheacha
Pronunciation:
“SAN-ord-ih-hukh”  /ˈsˠanˠoːɾˠd̪ˠəhəx/

What does “sainordaitheach” mean?

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

mandatory
Required by a rule or law, so that it must be done.Also: compulsory, obligatory, prescribed.
1 other meaning: mandated
2mandated
Given a formal mandate or instruction, as a delegate or representative bound to act in a set way.Also: mandatory, instructed.

Other Irish adjectives for mandatory: éigeantach (compulsory)

“Sainordaitheach” after a noun

An Irish adjective comes after its noun. Here is sainordaitheach after riachtanas (need, masculine), after scéim (scheme, feminine) and after a plural.

after a masculine nounriachtanas sainordaitheacha mandatory need
after a feminine nounscéim shainordaitheacha mandatory scheme
after a plural nounriachtanais shainordaitheachamandatory needs

séimhiú (the h) the ending

feminine
scéimscheme
+
sainordaitheachmandatory
=
scéim shainordaitheacha mandatory scheme

After a feminine noun the adjective gets a séimhiú, an h after its first letter: scéim shainordaitheach. After a masculine noun it stays as it is: riachtanas sainordaitheach.

plural
riachtanaisneeds
+
sainordaitheachamandatory, plural
=
riachtanais shainordaitheachamandatory needs

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

More mandatory, most mandatory, very mandatory

níosmore
+
sainordaithímandatory
=
níos sainordaithímore mandatory
ismost
+
sainordaithímandatory
=
is sainordaithímost mandatory

Tá an treoir nua níos sainordaithí ná an seancheann. The new directive is more mandatory than the old one.

more mandatoryníos sainordaithíin the past tense: ní ba shainordaithí
most mandatoryis sainordaithíin the past tense: ba shainordaithí
as mandatory aschomh sainordaitheach leno change after chomh
very mandatoryan-sainordaitheachan- lenites, except d, t and s
too mandatoryróshainordaitheachró- lenites

“Sainordaitheach” in a sentence: Irish examples

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

Is riachtanas sainordaitheach é sin sa reachtaíocht.
That is a mandatory requirement in the legislation.
Gearradh pianbhreith shainordaitheach air.
A mandatory sentence was imposed on him.
Tá roinnt rialacha sainordaitheacha i bhfeidhm anois.
Some mandatory rules are now in force.
Tá an treoir nua níos sainordaithí ná an seancheann.
The new directive is more mandatory than the old one.
Tá an oiliúint seo sainordaitheach do gach ball foirne.
This training is mandatory for every staff member.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Mandatory in Irish: frequently asked questions

What is the Irish for mandatory?

The Irish for mandatory is sainordaitheach (pronounced “SAN-ord-ih-hukh”). It comes after the noun: riachtanas sainordaitheach, a mandatory need; scéim shainordaitheach, a mandatory scheme.

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

níos sainordaithí is more mandatory and is sainordaithí is most mandatory. In the past tense they become ní ba shainordaithí and ba shainordaithí.

Why does sainordaitheach become shainordaitheach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So scéim shainordaitheach (a mandatory scheme) but riachtanas sainordaitheach (a mandatory need), because riachtanas is masculine.

What is the plural of sainordaitheach?

With a plural noun sainordaitheach becomes sainordaitheacha: riachtanais shainordaitheacha, scéimeanna sainordaitheacha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very mandatory in Irish?

an-sainordaitheach. Too mandatory is róshainordaitheach, and as mandatory as is chomh sainordaitheach le.

Does sainordaitheach have more than one meaning?

Yes. Sainordaitheach can mean mandatory or mandated, depending on context; the first is the most common.

What is the difference between 'sainordaitheach' and 'éigeantach'?

Both can mean compulsory, but 'sainordaitheach' is a formal legal term for something required by law or mandate, while 'éigeantach' is the more general word, as in 'oideachas éigeantach' (compulsory education).

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