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Preventive in Irish (coisctheach): Meaning, Forms, Examples

Other uses of ‘coisctheach’: inhibitory

The Irish for preventive is coisctheach: beart coisctheach, a preventive measure.
Updated October 2026Report a mistake

How to say “preventive” in Irish

Irish:
coisctheach
English:
preventive, inhibitory
Word type:
adjective
More preventive:
níos coiscthí
Most preventive:
is coiscthí
Plural:
coisctheacha
Pronunciation:
“KOSH-kuh-hukh”  /ˈkɔʃkʲəhəx/

What does “coisctheach” mean?

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

preventive
Meant to stop something bad from happening.Also: preventative, prophylactic.
1 other meaning: inhibitory
2inhibitory
Tending to hold back, restrain or forbid something.Also: restraining, prohibitive, deterrent.

“Coisctheach” after a noun

An Irish adjective comes after its noun. Here is coisctheach after beart (measure, masculine), after cóir (treatment, feminine) and after a plural.

after a masculine nounbeart coisctheacha preventive measure
after a feminine nouncóir choisctheacha preventive treatment
after a plural nounbearta coisctheachapreventive measures

séimhiú (the h) the ending

feminine
cóirtreatment
+
coisctheachpreventive
=
cóir choisctheacha preventive treatment

After a feminine noun the adjective gets a séimhiú, an h after its first letter: cóir choisctheach. After a masculine noun it stays as it is: beart coisctheach.

plural
beartameasures
+
coisctheachapreventive, plural
=
bearta coisctheachapreventive measures

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

More preventive, most preventive, very preventive

níosmore
+
coiscthípreventive
=
níos coiscthímore preventive
ismost
+
coiscthípreventive
=
is coiscthímost preventive

Tá an cur chuige seo níos coiscthí ná an ceann eile. This approach is more preventive than the other one.

more preventiveníos coiscthíin the past tense: ní ba choiscthí
most preventiveis coiscthíin the past tense: ba choiscthí
as preventive aschomh coisctheach leno change after chomh
very preventivean-choisctheachan- lenites, except d, t and s
too preventiveróchoisctheachró- lenites

“Coisctheach” in a sentence: Irish examples

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

Is beart coisctheach í an vacsaín.
The vaccine is a preventive measure.
Tá cóir choisctheach ag teastáil uaidh.
He needs preventive treatment.
Rinne an rialtas bearta coisctheacha in aghaidh an ghalair.
The government took preventive measures against the disease.
Tá an cur chuige seo níos coiscthí ná an ceann eile.
This approach is more preventive than the other one.
Tá an leigheas seo coisctheach.
This remedy is preventive.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Preventive in Irish: frequently asked questions

What is the Irish for preventive?

The Irish for preventive is coisctheach (pronounced “KOSH-kuh-hukh”). It comes after the noun: beart coisctheach, a preventive measure; cóir choisctheach, a preventive treatment.

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

níos coiscthí is more preventive and is coiscthí is most preventive. In the past tense they become ní ba choiscthí and ba choiscthí.

Why does coisctheach become choisctheach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So cóir choisctheach (a preventive treatment) but beart coisctheach (a preventive measure), because beart is masculine.

What is the plural of coisctheach?

With a plural noun coisctheach becomes coisctheacha: bearta coisctheacha, córacha coisctheacha.

How do you say very preventive in Irish?

an-choisctheach. Too preventive is róchoisctheach, and as preventive as is chomh coisctheach le.

Does coisctheach have more than one meaning?

Yes. Coisctheach can mean preventive or inhibitory, depending on context; the first is the most common.

How is 'coisctheach' related to other words?

It comes from the verb 'coisc', to prevent or stop, and the noun 'cosc', a prevention or ban.

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