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Snake in Irish (Nathair): Meaning, Pronunciation, Usage

‘nathair’ also means: treacherous person

The Irish for snake is nathair, a feminine noun (plural nathracha).
Updated October 2026Report a mistake

How to say “snake” in Irish

Irish:
nathair
English:
snake, treacherous person
Word type:
noun
Gender:
feminine, fifth declension
Pronunciation:
“NA-hir”  /ˈn̪ˠahəɾʲ/
Various forms
Plural:
nathracha (snakes)
Genitive singular:
nathrach, na nathrach (e.g. nimh na nathrach, the snake's venom)
Genitive plural:
nathracha, na nathracha (e.g. nead na nathracha, the snakes' nest)

What does “nathair” mean?

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

snake
A long reptile with no legs that moves by sliding along the ground.Also: serpent, adder, viper.
1 other meaning: treacherous person
2treacherous person
A sly or treacherous person, called a snake figuratively.Also: snake, traitor, viper, backstabber.

“Nathair” with the article

The plural of snake in Irish is nathracha. Here is nathair after the article (an t-alt), in the singular and the plural.

an nathair
the snake
No change after an
na nathracha
the snakes
Plural: no change after na

“Nathair” in a sentence: Irish examples

Common Irish sentences using nathair, the Irish word for snake.

Chonaic mé nathair sa ghairdín inné.
I saw a snake in the garden yesterday.
Níl aon nathracha in Éirinn.
There are no snakes in Ireland.
Dhíbir Naomh Pádraig na nathracha as an tír.
Saint Patrick drove the snakes out of the country.
Bhí eagla orm roimh an nathair mhór.
I was afraid of the big snake.
Tá greim na nathrach an-nimhiúil.
The snake's bite is very poisonous.
Tá nathair i mo mhála scoile!
There's a snake in my school bag!
Ná bí ag caint leis, is nathair é.
Don't talk to him, he's a snake.

Other nouns in Irish

More everyday Irish nouns to learn next.

Snake in Irish: frequently asked questions

What is the Irish for snake?

The Irish for snake is nathair (pronounced “NA-hir”). It’s a feminine noun and the plural is nathracha. Depending on context it can also mean treacherous person.

How do you pronounce nathair in Irish?

Nathair is said like “NA-hir” (IPA /ˈn̪ˠahəɾʲ/).

What is the plural of snake in Irish?

The plural of nathair is nathracha; with the article, na nathracha means “the snakes”. The genitive plural is nathracha, as in nead na nathracha (the snakes' nest).

Does nathair have more than one meaning?

Yes. Nathair can mean snake or treacherous person, depending on context; the first is the most common.

What is 'nathair nimhe'?

'Nathair nimhe' means a venomous snake or serpent, literally 'snake of poison', and is also used of a treacherous person.

Is 'péist' the same as 'nathair'?

'Péist' usually means a worm or a monster, while 'nathair' is the normal word for a snake.

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