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Peninsula in Irish (Leithinis): Meaning, Pronunciation, Usage

The Irish for peninsula is leithinis, a feminine noun (plural leithinsí).
Updated October 2026Report a mistake

How to say “peninsula” in Irish

Irish:
leithinis
English:
peninsula
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“LEH-hin-ish”  /ˈlʲɛhɪnʲɪʃ/
Various forms
Plural:
leithinsí (peninsulas)
Genitive singular:
leithinse, na leithinse (e.g. barr na leithinse, the tip of the peninsula)
Genitive plural:
leithinsí, na leithinsí (e.g. léarscáil na leithinsí, the map of the peninsulas)

What does “leithinis” mean?

peninsula
A piece of land almost surrounded by water but joined to the mainland.Also: headland, promontory.

“Leithinis” with the article

The plural of peninsula in Irish is leithinsí. Here is leithinis after the article (an t-alt), in the singular and the plural.

an leithinis
the peninsula
No change after an
na leithinsí
the peninsulas
Plural: no change after na

“Leithinis” in a sentence: Irish examples

Common Irish sentences using leithinis, the Irish word for peninsula.

Is leithinis álainn í Corca Dhuibhne.
Corca Dhuibhne is a beautiful peninsula.
Thiomáineamar timpeall na leithinse inné.
We drove around the peninsula yesterday.
Tá an leithinis an-chiúin sa gheimhreadh.
The peninsula is very quiet in winter.
Tá go leor leithinsí ar chósta an iarthair.
There are many peninsulas on the west coast.
Rugadh m'athair ar leithinis bheag i nDún na nGall.
My father was born on a small peninsula in Donegal.
Tá teach saoire againn sa leithinis.
We have a holiday home on the peninsula.
Bíonn turasóirí ag siúl ar fud na leithinse.
Tourists walk all over the peninsula.

Other nouns in Irish

More everyday Irish nouns to learn next.

Peninsula in Irish: frequently asked questions

What is the Irish for peninsula?

The Irish for peninsula is leithinis (pronounced “LEH-hin-ish”). It’s a feminine noun and the plural is leithinsí.

How do you pronounce leithinis in Irish?

Leithinis is said like “LEH-hin-ish” (IPA /ˈlʲɛhɪnʲɪʃ/).

What is the plural of peninsula in Irish?

The plural of leithinis is leithinsí; with the article, na leithinsí means “the peninsulas”. The genitive plural is leithinsí, as in léarscáil na leithinsí (the map of the peninsulas).

How is 'leithinis' formed?

It combines 'leath' (half) and 'inis' (island), so a peninsula is literally a 'half island', just like Latin paeninsula.

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