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diafol

devil

NounMasculine (gwrywaidd)C2/diˈavɔl/

"diafol" means "devil" in Welsh (masculine noun). Pronounced /diˈavɔl/. Mutation forms: Treiglad Meddal → ddiafol, Treiglad Trwynol → niafol.

Mutation forms

In Welsh, the first letter of "diafol" changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formdiafol
Treiglad Meddalddiafol
Treiglad Trwynolniafol

"diafol" in context

Does dim croeso i'r diafol yn nhŷ Tom.

There is no welcome for the devil in Tom's house.

B2

Nac oes, does dim diafol!

No, there is no devil!

B1

Ble mae'r diafol?

Where is the devil?

B1

Further reading

Welsh Mutations Explained — Soft, Nasal & Aspirate →Welsh Pronunciation — It's Actually Easier Than English →How to Learn Welsh as an Adult — A Step-by-Step Roadmap →Best Apps to Learn Welsh (2026) →Browse all Welsh vocabulary →

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