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Bacterial in Irish (baictéarach): Meaning, Forms, Examples

The Irish for bacterial is baictéarach: galar baictéarach, a bacterial disease.
Updated October 2026Report a mistake

How to say “bacterial” in Irish

Irish:
baictéarach
English:
bacterial
Word type:
adjective
More bacterial:
níos baictéaraí
Most bacterial:
is baictéaraí
Plural:
baictéaracha
Pronunciation:
“BAK-tay-ruh-uch”  /ˈbakʲtʲeːɾˠəx/

What does “baictéarach” mean?

bacterial
Caused by, relating to, or containing bacteria.Also: bacteria-related, germ.

“Baictéarach” after a noun

An Irish adjective comes after its noun. Here is baictéarach after galar (disease, masculine), after bean (woman, feminine) and after a plural.

after a masculine noungalar baictéaracha bacterial disease
after a feminine nounbean bhaictéaracha bacterial woman
after a plural noungalair bhaictéarachabacterial diseases

séimhiú (the h) the ending

feminine
beanwoman
+
baictéarachbacterial
=
bean bhaictéaracha bacterial woman

After a feminine noun the adjective gets a séimhiú, an h after its first letter: bean bhaictéarach. After a masculine noun it stays as it is: galar baictéarach.

plural
galairdiseases
+
baictéarachabacterial, plural
=
galair bhaictéarachabacterial diseases

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

More bacterial, most bacterial, very bacterial

níosmore
+
baictéaraíbacterial
=
níos baictéaraímore bacterial
ismost
+
baictéaraíbacterial
=
is baictéaraímost bacterial

Tá an sampla seo níos baictéaraí ná an ceann eile. This sample is more bacterial than the other one.

more bacterialníos baictéaraíin the past tense: ní ba bhaictéaraí
most bacterialis baictéaraíin the past tense: ba bhaictéaraí
as bacterial aschomh baictéarach leno change after chomh
very bacterialan-bhaictéarachan- lenites, except d, t and s
too bacterialróbhaictéarachró- lenites

“Baictéarach” in a sentence: Irish examples

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

Is galar baictéarach í an eitinn.
Tuberculosis is a bacterial disease.
Bhí ionfhabhtú baictéarach aici ina cluas.
She had a bacterial infection in her ear.
Leigheastar galair bhaictéaracha le hantaibheathaigh.
Bacterial diseases are treated with antibiotics.
Tá an sampla seo níos baictéaraí ná an ceann eile.
This sample is more bacterial than the other one.
Dúirt an dochtúir go raibh an t-ionfhabhtú baictéarach.
The doctor said the infection was bacterial.

Other adjectives in Irish

More everyday Irish adjectives to learn next.

Bacterial in Irish: frequently asked questions

What is the Irish for bacterial?

The Irish for bacterial is baictéarach (pronounced “BAK-tay-ruh-uch”). It comes after the noun: galar baictéarach, a bacterial disease; bean bhaictéarach, a bacterial woman.

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

níos baictéaraí is more bacterial and is baictéaraí is most bacterial. In the past tense they become ní ba bhaictéaraí and ba bhaictéaraí.

Why does baictéarach become bhaictéarach?

After a feminine singular noun an adjective is lenited: it gets an h after its first letter. So bean bhaictéarach (a bacterial woman) but galar baictéarach (a bacterial disease), because galar is masculine.

What is the plural of baictéarach?

With a plural noun baictéarach becomes baictéaracha: galair bhaictéaracha, mná baictéaracha. After a plural that ends in a slender consonant it is lenited as well.

How do you say very bacterial in Irish?

an-bhaictéarach. Too bacterial is róbhaictéarach, and as bacterial as is chomh baictéarach le.

What is the opposite type of infection to 'baictéarach'?

A viral infection is 'ionfhabhtú víreasach', while a bacterial one is 'ionfhabhtú baictéarach'.

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