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Antibacterial in Irish (frithbhaictéarach): Meaning, Forms, Examples

The Irish for antibacterial is frithbhaictéarach: fear frithbhaictéarach, an antibacterial man.
Updated October 2026Report a mistake

How to say “antibacterial” in Irish

Irish:
frithbhaictéarach
English:
antibacterial
Word type:
adjective
More antibacterial:
níos frithbhaictéaraí
Most antibacterial:
is frithbhaictéaraí
Plural:
frithbhaictéaracha
Pronunciation:
“FRIH-wak-tay-rakh”  /ˈfʲɾʲɪˌwakt̪ʲeːɾˠəx/

What does “frithbhaictéarach” mean?

antibacterial
Describes something that kills bacteria or stops them from growing.Also: anti-bacterial, bactericidal, germ-killing.

“Frithbhaictéarach” after a noun

An Irish adjective comes after its noun. Here is frithbhaictéarach after fear (man, masculine), after scian (knife, feminine) and after a plural.

after a masculine nounfear frithbhaictéarachan antibacterial man
after a feminine nounscian fhrithbhaictéarachan antibacterial knife
after a plural nounfir fhrithbhaictéarachaantibacterial men

séimhiú (the h) the ending

feminine
scianknife
+
frithbhaictéarachantibacterial
=
scian fhrithbhaictéarachan antibacterial knife

After a feminine noun the adjective gets a séimhiú, an h after its first letter: scian fhrithbhaictéarach. After a masculine noun it stays as it is: fear frithbhaictéarach.

plural
firmen
+
frithbhaictéarachaantibacterial, plural
=
fir fhrithbhaictéarachaantibacterial men

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

More antibacterial, most antibacterial, very antibacterial

níosmore
+
frithbhaictéaraíantibacterial
=
níos frithbhaictéaraímore antibacterial
ismost
+
frithbhaictéaraíantibacterial
=
is frithbhaictéaraímost antibacterial

Tá an t-uachtar seo níos frithbhaictéaraí ná an ceann eile. This cream is more antibacterial than the other one.

more antibacterialníos frithbhaictéaraíin the past tense: ní ba fhrithbhaictéaraí
most antibacterialis frithbhaictéaraíin the past tense: ba fhrithbhaictéaraí
as antibacterial aschomh frithbhaictéarach leno change after chomh
very antibacterialan-fhrithbhaictéarachan- lenites, except d, t and s
too antibacterialrófhrithbhaictéarachró- lenites

“Frithbhaictéarach” in a sentence: Irish examples

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

Cheannaigh mé sprae frithbhaictéarach sa siopa.
I bought an antibacterial spray in the shop.
Nigh sí a lámha le gallúnach fhrithbhaictéarach.
She washed her hands with antibacterial soap.
Úsáidtear táirgí frithbhaictéaracha san ospidéal.
Antibacterial products are used in the hospital.
Tá an t-uachtar seo níos frithbhaictéaraí ná an ceann eile.
This cream is more antibacterial than the other one.
Tá an leacht seo frithbhaictéarach.
This liquid is antibacterial.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Antibacterial in Irish: frequently asked questions

What is the Irish for antibacterial?

The Irish for antibacterial is frithbhaictéarach (pronounced “FRIH-wak-tay-rakh”). It comes after the noun: fear frithbhaictéarach, an antibacterial man; scian fhrithbhaictéarach, an antibacterial knife.

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

níos frithbhaictéaraí is more antibacterial and is frithbhaictéaraí is most antibacterial. In the past tense they become ní ba fhrithbhaictéaraí and ba fhrithbhaictéaraí.

Why does frithbhaictéarach become fhrithbhaictéarach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So scian fhrithbhaictéarach (an antibacterial knife) but fear frithbhaictéarach (an antibacterial man), because fear is masculine.

What is the plural of frithbhaictéarach?

With a plural noun frithbhaictéarach becomes frithbhaictéaracha: fir fhrithbhaictéaracha, sceana frithbhaictéaracha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very antibacterial in Irish?

an-fhrithbhaictéarach. Too antibacterial is rófhrithbhaictéarach, and as antibacterial as is chomh frithbhaictéarach le.

What is the noun for an antibacterial agent?

An antibiotic is usually 'antaibheathach'; 'frithbhaictéarach' describes a product, as in 'gallúnach fhrithbhaictéarach'.

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