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dirywiad

decline

NounMasculine (gwrywaidd)C1

"dirywiad" means "decline" in Welsh (masculine noun). Mutation forms: Treiglad Meddal → ddirywiad, Treiglad Trwynol → nirywiad.

Mutation forms

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

MutationForm
Base formdirywiad
Treiglad Meddalddirywiad
Treiglad Trwynolnirywiad

"dirywiad" in context

Nodwyd bod y trydydd sector wedi gweld dirywiad mewn gwirfoddoli ers COVID, gyda'r tebygolrwydd fod nifer o bobl heb ddychwelyd i'w rolau gwirfoddoli.

It was noted that the third sector has seen a decline in volunteering since COVID, with the likelihood that many have just not returned to their volunteering roles.

C1

Rydym wedi gweld dirywiad enfawr yn ein poblogaethau adar.

We have seen a massive decline in our bird population.

B2

Roedden nhw'n cynrychioli anghyfiawnder cymdeithasol, gwreiddiau ymraniad a dirywiad cymdeithasol.

They were representing social injustice, the roots of division and social decay.

B2

Trwy roi pobl yn gyntaf y byddwn yn rhoi mwy o gynaliadwyedd i fusnesau bach a chanolig, a thrwy roi pobl yn gyntaf y byddwn yn gwrthdroi'r dirywiad mewn cwsmeriaid.

It's by putting people first that we'll give SMEs greater sustainability, and it's by putting people first that we'll reverse the decline in patronage.

B2

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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