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Threadworm in Irish (Snáthphéist): Meaning, Pronunciation, Usage

The Irish for threadworm is snáthphéist, a feminine noun (plural snáthphéisteanna).
Updated October 2026Report a mistake

How to say “threadworm” in Irish

Irish:
snáthphéist
English:
threadworm
Word type:
noun
Gender:
feminine
Pronunciation:
“SNAW-fyaysht”  /ˈsn̪ˠaːˌfʲeːʃtʲ/
Various forms
Plural:
snáthphéisteanna (threadworms)
Genitive singular:
snáthphéiste, na snáthphéiste (e.g. ubh na snáthphéiste, the egg of the threadworm)
Genitive plural:
snáthphéisteanna, na snáthphéisteanna (e.g. saolré na snáthphéisteanna, the life cycle of threadworms)

What does “snáthphéist” mean?

threadworm
A small, thin, thread-like worm, especially one that lives as a parasite in the intestines.Also: nematode, roundworm, pinworm.

“Snáthphéist” with the article

The plural of threadworm in Irish is snáthphéisteanna. Here is snáthphéist after the article (an t-alt), in the singular and the plural.

an tsnáthphéist
the threadworm
Feminine nouns take t before s after an
na snáthphéisteanna
the threadworms
Plural: no change after na

“Snáthphéist” in a sentence: Irish examples

Common Irish sentences using snáthphéist, the Irish word for threadworm.

Is cineál péiste í an tsnáthphéist.
The threadworm is a kind of worm.
Tá snáthphéisteanna ar an bpáiste.
The child has threadworms.
Fuair an dochtúir snáthphéist sa sampla.
The doctor found a threadworm in the sample.
Tá leigheas éasca ar shnáthphéisteanna.
There is an easy cure for threadworms.
Bíonn snáthphéisteanna beaga bídeacha agus bána.
Threadworms are tiny and white.
Maireann an tsnáthphéist i bputóga an duine.
The threadworm lives in the human intestines.
Is furasta snáthphéisteanna a scaipeadh i scoileanna.
Threadworms spread easily in schools.

Other nouns in Irish

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Threadworm in Irish: frequently asked questions

What is the Irish for threadworm?

The Irish for threadworm is snáthphéist (pronounced “SNAW-fyaysht”). It’s a feminine noun and the plural is snáthphéisteanna.

How do you pronounce snáthphéist in Irish?

Snáthphéist is said like “SNAW-fyaysht” (IPA /ˈsn̪ˠaːˌfʲeːʃtʲ/).

What is the plural of threadworm in Irish?

The plural of snáthphéist is snáthphéisteanna; with the article, na snáthphéisteanna means “the threadworms”. The genitive plural is snáthphéisteanna, as in saolré na snáthphéisteanna (the life cycle of threadworms).

Why does snáthphéist change to shnáthphéist?

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

How is 'snáthphéist' different from 'péist'?

'Péist' is a general word for a worm, while 'snáthphéist' (from 'snáth', thread, plus 'péist') is specifically a threadworm or nematode.

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