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bygythiol

menacing

AdjectiveC2/bəˈɡəθjɔl/

"bygythiol" means "menacing" in Welsh (adjective). Pronounced /bəˈɡəθjɔl/. Mutation forms: Treiglad Meddal → fygythiol, Treiglad Trwynol → mygythiol.

Mutation forms

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

MutationForm
Base formbygythiol
Treiglad Meddalfygythiol
Treiglad Trwynolmygythiol

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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