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Germ in Irish (Frídín): Meaning, Pronunciation, Usage

‘frídín’ also means: mite

The Irish for germ is frídín, a masculine noun (plural frídíní).
Updated October 2026Report a mistake

How to say “germ” in Irish

Irish:
frídín
English:
germ, mite
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“FREE-deen”  /ˈfʲɾʲiːdʲiːnʲ/
Various forms
Plural:
frídíní (germs)
Genitive singular:
frídín, an fhrídín (e.g. leathadh an fhrídín, the spread of the germ)
Genitive plural:
frídíní, na bhfrídíní (e.g. leathadh na bhfrídíní, the spread of germs)

What does “frídín” mean?

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

germ
A tiny living organism, such as a bacterium or virus, that can cause disease.Also: microbe, bacterium, bug.
1 other meaning: mite
2mite
A very small creature or particle, a tiny speck of something.Also: tiny creature, speck.

Other Irish words for germ: víreas (virus), geirm (germ)

“Frídín” with the article

The plural of germ in Irish is frídíní. Here is frídín after the article (an t-alt), in the singular and the plural.

an frídín
the germ
No change after an
na frídíní
the germs
Plural: no change after na

“Frídín” in a sentence: Irish examples

Common Irish sentences using frídín, the Irish word for germ.

Nigh do lámha chun na frídíní a mharú.
Wash your hands to kill the germs.
Bhí frídín éigin ag cur as dom inné.
Some bug was bothering me yesterday.
Scaipeann frídíní go héasca i seomraí ranga.
Germs spread easily in classrooms.
Tá an frídín seo an-dainséarach do pháistí.
This germ is very dangerous for children.
Ní féidir frídín a fheiceáil gan micreascóp.
You can't see a germ without a microscope.
Fuair mé frídín sa scoil, is dócha.
I picked up a germ at school, probably.
Maraíonn an glantóir seo formhór na bhfrídíní.
This cleaner kills most germs.

Other nouns in Irish

More everyday Irish nouns to learn next.

Germ in Irish: frequently asked questions

What is the Irish for germ?

The Irish for germ is frídín (pronounced “FREE-deen”). It’s a masculine noun and the plural is frídíní. Depending on context it can also mean mite.

How do you pronounce frídín in Irish?

Frídín is said like “FREE-deen” (IPA /ˈfʲɾʲiːdʲiːnʲ/).

What is the plural of germ in Irish?

The plural of frídín is frídíní; with the article, na frídíní means “the germs”. The genitive plural is frídíní, as in leathadh na bhfrídíní (the spread of germs).

Does frídín have more than one meaning?

Yes. Frídín can mean germ or mite, depending on context; the first is the most common.

Why does frídín change to fhrídín or bhfrídín?

Irish changes the start of some words after certain words. After mo (my) frídín becomes mo fhrídín (lenition), and after ár (our) or i (in) it becomes ár bhfrídín (eclipsis).

What is the difference between frídín and baictéar?

Frídín is the everyday word for a germ of any kind, while baictéar is the scientific term for a bacterium specifically.

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