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Grapefruit in Irish (Seadóg): Meaning, Pronunciation, Usage

The Irish for grapefruit is seadóg, a feminine noun (plural seadóga).
Updated October 2026Report a mistake

How to say “grapefruit” in Irish

Irish:
seadóg
English:
grapefruit
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“SHAD-ohg”  /ˈʃad̪ˠoːɡ/
Various forms
Plural:
seadóga (grapefruits)
Genitive singular:
seadóige, na seadóige (e.g. sú seadóige, grapefruit juice)
Genitive plural:
seadóg, na seadóg (e.g. craiceann na seadóg, the skin of the grapefruits)

What does “seadóg” mean?

grapefruit
A large, round citrus fruit with yellow skin and a sharp, slightly bitter taste.Also: citrus fruit, pomelo.

“Seadóg” with the article

The plural of grapefruit in Irish is seadóga. Here is seadóg after the article (an t-alt), in the singular and the plural.

an tseadóg
the grapefruit
Feminine nouns take t before s after an
na seadóga
the grapefruits
Plural: no change after na

“Seadóg” in a sentence: Irish examples

Common Irish sentences using seadóg, the Irish word for grapefruit.

Ithim seadóg gach maidin le mo bhricfeasta.
I eat a grapefruit every morning with my breakfast.
Tá an tseadóg seo an-searbh.
This grapefruit is very bitter.
Ar mhaith leat gloine sú seadóige?
Would you like a glass of grapefruit juice?
Cheannaigh mé ceithre sheadóg sa siopa inné.
I bought four grapefruits in the shop yesterday.
Gearr an tseadóg ina dhá leath.
Cut the grapefruit in half.
Tá na seadóga saor an tseachtain seo.
Grapefruits are cheap this week.
Chuir mé siúcra ar mo sheadóg.
I put sugar on my grapefruit.

Other nouns in Irish

More everyday Irish nouns to learn next.

Grapefruit in Irish: frequently asked questions

What is the Irish for grapefruit?

The Irish for grapefruit is seadóg (pronounced “SHAD-ohg”). It’s a feminine noun and the plural is seadóga.

How do you pronounce seadóg in Irish?

Seadóg is said like “SHAD-ohg” (IPA /ˈʃad̪ˠoːɡ/).

What is the plural of grapefruit in Irish?

The plural of seadóg is seadóga; with the article, na seadóga means “the grapefruits”. The genitive plural is seadóg, as in craiceann na seadóg (the skin of the grapefruits).

Why does seadóg change to sheadóg?

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

Is 'seadóg' related to 'oráiste'?

No, they are separate words: 'oráiste' is an orange, while 'seadóg' is a grapefruit, both citrus fruits (torthaí citris).

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