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Stepsister in Irish (Leasdeirfiúr): Meaning, Pronunciation, Usage

The Irish for stepsister is leasdeirfiúr, a feminine noun (plural leasdeirfiúracha).
Updated October 2026Report a mistake

How to say “stepsister” in Irish

Irish:
leasdeirfiúr
English:
stepsister
Word type:
noun
Gender:
feminine
Pronunciation:
“LASS-jer-ee-oor”  /ˈlʲasˌdʲəɾʲˈfʲuːɾˠ/
Various forms
Plural:
leasdeirfiúracha (stepsisters)
Genitive singular:
leasdeirféar, na leasdeirféar (e.g. teach mo leasdeirféar, my stepsister's house)
Genitive plural:
leasdeirfiúracha, na leasdeirfiúracha (e.g. seomra na leasdeirfiúracha, the stepsisters' room)

What does “leasdeirfiúr” mean?

stepsister
A daughter of your stepfather or stepmother from another relationship.Also: step-sister.

“Leasdeirfiúr” with the article

The plural of stepsister in Irish is leasdeirfiúracha. Here is leasdeirfiúr after the article (an t-alt), in the singular and the plural.

an leasdeirfiúr
the stepsister
No change after an
na leasdeirfiúracha
the stepsisters
Plural: no change after na

“Leasdeirfiúr” in a sentence: Irish examples

Common Irish sentences using leasdeirfiúr, the Irish word for stepsister.

Is leasdeirfiúracha iad.
They are stepsisters.
Tá leasdeirfiúr agam i Sasana.
I have a stepsister in England.
Tháinig mo leasdeirfiúr ar cuairt inné.
My stepsister came to visit yesterday.
Bhí mo leasdeirfiúr ag an mbainis freisin.
My stepsister was at the wedding too.
Is maith liom cairde mo leasdeirféar.
I like my stepsister's friends.
Tá beirt leasdeirfiúracha ag Seán.
Seán has two stepsisters.
Réitíonn sí go maith lena leasdeirfiúr.
She gets on well with her stepsister.

Other nouns in Irish

More everyday Irish nouns to learn next.

Stepsister in Irish: frequently asked questions

What is the Irish for stepsister?

The Irish for stepsister is leasdeirfiúr (pronounced “LASS-jer-ee-oor”). It’s a feminine noun and the plural is leasdeirfiúracha.

How do you pronounce leasdeirfiúr in Irish?

Leasdeirfiúr is said like “LASS-jer-ee-oor” (IPA /ˈlʲasˌdʲəɾʲˈfʲuːɾˠ/).

What is the plural of stepsister in Irish?

The plural of leasdeirfiúr is leasdeirfiúracha; with the article, na leasdeirfiúracha means “the stepsisters”. The genitive plural is leasdeirfiúracha, as in seomra na leasdeirfiúracha (the stepsisters' room).

How do I say half-sister in Irish?

'Leasdeirfiúr' strictly means stepsister, but it is also commonly used for a half-sister; you can specify 'deirfiúr ar thaobh m'athar' (sister on my father's side).

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