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dydd

day

NounMasculine (gwrywaidd)A1/dɨːð/

"dydd" means "day" in Welsh (masculine noun). Pronounced /dɨːð/. Mutation forms: Treiglad Meddal → ddydd, Treiglad Trwynol → nydd.

Mutation forms

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

MutationForm
Base formdydd
Treiglad Meddalddydd
Treiglad Trwynolnydd

"dydd" in context

Beth wyt ti'n ei wneud dydd Sul nesa'?

What are you doing next Sunday?

B1

Heddiw yw dydd Gwener.

Today is Friday.

A1

Dw i'n gweithio bob dydd ond Dydd Sul.

I work every day save Sundays.

A2

Bwydodd o ei gi ar yr un pryd bob dydd.

He fed his dog at the same time every day.

B1

Dwi’n bwyta reis bob dydd.

I eat rice every day.

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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Related Welsh words

Dydd Llun

Monday

Dydd Mawrth

Tuesday

Dydd Mercher

Wednesday

Dydd Iau

Thursday

Dydd Gwener

Friday

Dydd Sadwrn

Saturday

Dydd Sul

Sunday

wythnos

week

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