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erchyll

hideous

AdjectiveC1/ˈɛrχɨ̞ɬ/

"erchyll" means "hideous" in Welsh (adjective). Pronounced /ˈɛrχɨ̞ɬ/. Mutation forms: Treiglad Llaes → herchyll.

Mutation forms

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

MutationForm
Base formerchyll
Treiglad Llaesherchyll

"erchyll" in context

Yn wir, roedd sioc ar draws y byd pan welwyd y golygfeydd o'r Unol Daleithiau a llofruddiaeth, llofruddiaeth erchyll, Charlie Kirk.

Indeed, there was shock across the world at the scenes from the United States and the killing, the horrific killing, of Charlie Kirk.

C1

Mae'r rhain yn fesurau y mae eu hangen arnom er mwyn helpu i fynd i'r afael â'r mater erchyll o smyglo.

These are measures that we need to help to tackle the horrendous issue of smuggling.

C1

Pe baem ni wedi ei integreiddio â thrafnidiaeth gyhoeddus, yna byddai'r cyhoedd yn gyffredinol yn dweud, 'Eistedda, fachgen', neu, wyddoch chi, byddai'n stopio'r peth erchyll hwn sy'n digwydd.

If we had it integrated with public transport, then the public at large would be saying, 'Sit down, son', or, you know, would be stopping this horrendous thing going on.

C1

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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Related Welsh words

unig

only

uchel

high

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slow

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fast

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poor

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vile

bach

small

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