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Fox in Irish (Sionnach): Meaning, Pronunciation, Usage

‘sionnach’ also means: sly person

The Irish for fox is sionnach, a masculine noun (plural sionnaigh).
Updated October 2026Report a mistake

How to say “fox” in Irish

Irish:
sionnach
English:
fox, sly person
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“SHIN-ukh”  /ˈʃɪn̪ˠəx/
Various forms
Plural:
sionnaigh (foxes)
Genitive singular:
sionnaigh, an tsionnaigh (e.g. eireaball an tsionnaigh, the fox's tail)
Genitive plural:
sionnach, na sionnach (e.g. poill na sionnach, the foxes' dens)

What does “sionnach” mean?

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

fox
A wild animal of the dog family with a bushy tail and reddish fur, known for being cunning.Also: red fox, vixen, reynard.
1 other meaning: sly person
2sly person
A cunning or crafty person, compared to a fox.Also: cunning person, crafty person.

“Sionnach” with the article

The plural of fox in Irish is sionnaigh. Here is sionnach after the article (an t-alt), in the singular and the plural.

an sionnach
the fox
No change after an
na sionnaigh
the foxes
Plural: no change after na

“Sionnach” in a sentence: Irish examples

Common Irish sentences using sionnach, the Irish word for fox.

Chonaic mé sionnach sa ghort aréir.
I saw a fox in the field last night.
Mharaigh an sionnach dhá chearc.
The fox killed two hens.
Bhí lorg an tsionnaigh sa sneachta.
The fox's tracks were in the snow.
Bíonn na sionnaigh ag teacht isteach sa chathair anois.
Foxes are coming into the city now.
Is sionnach ceart é, ná bíodh muinín agat as.
He's a real fox, don't trust him.
Tá pluais sionnach i mbun an chnoic.
There's a foxes' den at the foot of the hill.
Chuala mé sionnach ag béicíl i lár na hoíche.
I heard a fox screaming in the middle of the night.

Other nouns in Irish

More everyday Irish nouns to learn next.

Fox in Irish: frequently asked questions

What is the Irish for fox?

The Irish for fox is sionnach (pronounced “SHIN-ukh”). It’s a masculine noun and the plural is sionnaigh. Depending on context it can also mean sly person.

How do you pronounce sionnach in Irish?

Sionnach is said like “SHIN-ukh” (IPA /ˈʃɪn̪ˠəx/).

What is the plural of fox in Irish?

The plural of sionnach is sionnaigh; with the article, na sionnaigh means “the foxes”. The genitive plural is sionnach, as in poill na sionnach (the foxes' dens).

Does sionnach have more than one meaning?

Yes. Sionnach can mean fox or sly person, depending on context; the first is the most common.

Why does sionnach change to shionnach?

After words like mo (my) and do (your) the first letter is lenited: mo shionnach. After ár (our) it stays ár sionnach, because s does not take eclipsis.

What is the difference between 'sionnach' and 'madra rua'?

Both mean fox. 'Sionnach' is the standard dictionary word, while 'madra rua' (literally 'red dog') is very common in everyday speech, especially in Connacht and Ulster.

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