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Diesel in Irish (Díosal): Meaning, Pronunciation, Usage

The Irish for diesel is díosal, a masculine noun.
Updated October 2026Report a mistake

How to say “diesel” in Irish

Irish:
díosal
English:
diesel
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“DEE-suhl”  /ˈdʲiːsˠəlˠ/
Various forms
Genitive singular:
díosail, an díosail (e.g. praghas an díosail, the price of diesel)

What does “díosal” mean?

diesel
A heavy oil fuel used in many car, lorry and tractor engines.Also: diesel fuel, diesel oil, derv.

“Díosal” with the article

Here is díosal after the article (an t-alt).

an díosal
the diesel
No change after an

“Díosal” in a sentence: Irish examples

Common Irish sentences using díosal, the Irish word for diesel.

Tá díosal níos saoire ná peitreal inniu.
Diesel is cheaper than petrol today.
Chuir mé díosal sa charr ar maidin.
I put diesel in the car this morning.
Tá praghas an díosail ag ardú arís.
The price of diesel is going up again.
Ritheann an tarracóir ar dhíosal.
The tractor runs on diesel.
Bhí boladh láidir díosail sa gharáiste.
There was a strong smell of diesel in the garage.
Ná cuir peitreal in inneall díosail.
Don't put petrol in a diesel engine.
Tá an díosal ag sileadh as an umar.
The diesel is leaking from the tank.

Other nouns in Irish

More everyday Irish nouns to learn next.

Diesel in Irish: frequently asked questions

What is the Irish for diesel?

The Irish for diesel is díosal (pronounced “DEE-suhl”). It’s a masculine noun.

How do you pronounce díosal in Irish?

Díosal is said like “DEE-suhl” (IPA /ˈdʲiːsˠəlˠ/).

Does díosal have a plural?

No plural form is given for díosal in the standard. Many abstract and mass nouns in Irish have no plural.

Why does díosal change to dhíosal or ndíosal?

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

How do I say 'a diesel car' in Irish?

Use the genitive: carr díosail, just as you would say inneall díosail for a diesel engine.

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