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Diet in Irish (Diat): Meaning, Pronunciation, Usage

The Irish for diet is diat, a feminine noun (plural diata).
Updated October 2026Report a mistake

How to say “diet” in Irish

Irish:
diat
English:
diet
Word type:
noun
Gender:
feminine
Pronunciation:
“JEE-uht”  /dʲiət̪ˠ/
Various forms
Plural:
diata (diets)
Genitive singular:
diaite, na diaite (e.g. rialacha na diaite, the rules of the diet)
Genitive plural:
diat, na ndiat (e.g. comparáid na ndiat, the comparison of diets)

What does “diat” mean?

diet
The food a person regularly eats, especially a controlled selection of food for health or weight loss.Also: eating plan, regimen, special diet.

“Diat” with the article

The plural of diet in Irish is diata. Here is diat after the article (an t-alt), in the singular and the plural.

an diat
the diet
No change: d and t are not lenited after an
na diata
the diets
Plural: no change after na

“Diat” in a sentence: Irish examples

Common Irish sentences using diat, the Irish word for diet.

Tá mé ar diat le mí anuas.
I've been on a diet for the past month.
Mhol an dochtúir diat shláintiúil dom.
The doctor recommended a healthy diet to me.
Ní raibh an diat sin éasca ar chor ar bith.
That diet wasn't easy at all.
Lean sí rialacha na diaite go dílis.
She followed the rules of the diet faithfully.
Tá an iomarca diata faiseanta ann sa lá atá inniu ann.
There are too many fashionable diets nowadays.
Bhris mé mo dhiat leis an gcáca sin.
I broke my diet with that cake.
Tá go leor éisc agus glasraí i mo dhiat.
There's plenty of fish and vegetables in my diet.

Other nouns in Irish

More everyday Irish nouns to learn next.

Diet in Irish: frequently asked questions

What is the Irish for diet?

The Irish for diet is diat (pronounced “JEE-uht”). It’s a feminine noun and the plural is diata.

How do you pronounce diat in Irish?

Diat is said like “JEE-uht” (IPA /dʲiət̪ˠ/).

What is the plural of diet in Irish?

The plural of diat is diata; with the article, na diata means “the diets”. The genitive plural is diat, as in comparáid na ndiat (the comparison of diets).

Why does diat change to dhiat or ndiat?

Irish changes the start of some words after certain words. After mo (my) diat becomes mo dhiat (lenition), and after ár (our) or i (in) it becomes ár ndiat (eclipsis).

Is there another word for diet in Irish?

Yes, 'aiste bia' is very common for a diet or eating regime, for example 'aiste bia shláintiúil', while 'diat' is also standard.

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