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da

good

AdjectiveA1/daː/

"da" means "good" in Welsh (adjective). Pronounced /daː/. Mutation forms: Treiglad Meddal → dda, Treiglad Trwynol → na.

Mutation forms

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

MutationForm
Base formda
Treiglad Meddaldda
Treiglad Trwynolna

When does "da" mutate?

yn— predicate marker (triggers treiglad meddal)

da→yn dda(good (predicative))

mor— so / as (intensifier, triggers treiglad meddal on adjectives)

da→mor dda(so good)

dyna— there is/are (triggers treiglad meddal)

da→dyna dda(that's good)

rhy— too (triggers treiglad meddal on adjectives)

da→rhy dda(too good)

pur— quite/rather (triggers treiglad meddal)

da→pur dda(quite good)

go— fairly (triggers treiglad meddal on adjectives)

da→go dda(fairly good)

cyn— as (equative, triggers treiglad meddal)

da→cyn dda(as good)

"da" in context

Mae llygaid du 'da fi.

I have black eyes.

A1

Mae cath wen 'da fi.

I have a white cat.

A2

Does dim arian 'da fi, ond breuddwydion 'da fi.

I have no money, but I have dreams.

A2

Mae ci 'da fe.

He has a dog.

A1

Mae car 'da fe.

He has a car.

A1

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

araf

slow

cyflym

fast

tlawd

poor

budr

vile

bach

small

dim

no

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