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diawl

devil

NounMasculine (gwrywaidd)C2/djau̯l/

"diawl" means "devil" in Welsh (masculine noun). Pronounced /djau̯l/. Mutation forms: Treiglad Meddal → ddiawl, Treiglad Trwynol → niawl.

Mutation forms

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

MutationForm
Base formdiawl
Treiglad Meddalddiawl
Treiglad Trwynolniawl

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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