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mawr

large

AdjectiveA1/mau̯r/

"mawr" means "large" in Welsh (adjective). Pronounced /mau̯r/. Mutation forms: Treiglad Meddal → fawr.

Mutation forms

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

MutationForm
Base formmawr
Treiglad Meddalfawr

When does "mawr" mutate?

yn— predicate marker (triggers treiglad meddal)

mawr→yn fawr(big (predicative))

(adjective)— adjective after feminine singular noun (triggers treiglad meddal)

mawr→cath fawr(big cat (feminine))

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

mawr→mor fawr(so big)

dyna— there is/are (triggers treiglad meddal)

mawr→dyna fawr(that's big)

rhy— too (triggers treiglad meddal on adjectives)

mawr→rhy fawr(too big)

pur— quite/rather (triggers treiglad meddal)

mawr→pur fawr(quite big)

go— fairly (triggers treiglad meddal on adjectives)

mawr→go fawr(fairly big)

cyn— as (equative, triggers treiglad meddal)

mawr→cyn fawr(as big)

"mawr" in context

Mae'r tŷ yn mawr.

The house is big.

A1

Mae gen i gi mawr.

I have a big dog.

A2

Byddai costau cyflawni’r safonau fel y maen nhw yn gweld llawer o landlordiaid cymdeithasol cofrestredig yn cael trafferthion ariannol mawr.

The cost of achieving the standard as set would see many registered social landlords having great financial difficulties.

C1

Yn Sweden, er enghraifft, mae dau sefydliad cydweithredol mawr yn darparu dros 750,000 o gartrefi, sy'n golygu bod oddeutu 18 y cant o gyfanswm poblogaeth y wlad yn byw mewn tai cydweithredol.

In Sweden, for example, two large co-operative organisations provide over 750,000 homes, which equates to around 18 per cent of the total population of the country living in co-operative housing.

C1

Rwy'n credu ei bod yn bwysig cydnabod hefyd fod gwelliant bach mewn presenoldeb yn gyflawniad mawr i rai plant.

I think it's important also to recognise that, for some children, just a slight improvement in attendance is a big achievement, and we have to recognise that trajectory as well.

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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Related Welsh words

unig

only

uchel

high

araf

slow

cyflym

fast

tlawd

poor

budr

vile

bach

small

dim

no

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