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diddymu

to abolish

VerbC1

"diddymu" means "to abolish" in Welsh (verb). Mutation forms: Treiglad Meddal → ddiddymu, Treiglad Trwynol → niddymu.

Mutation forms

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

MutationForm
Base formdiddymu
Treiglad Meddalddiddymu
Treiglad Trwynolniddymu

"diddymu" in context

Fodd bynnag, pe bai adroddiad modiwl 2 yn cael ei gyhoeddi mewn pryd, rydym yn rhagweld mai nifer cyfyngedig iawn o sesiynau y gallem eu cael ar hyn yn 2026, cyn diddymu'r Senedd, i gyfeirio atynt yn ein hadroddiad etifeddiaeth.

However, if the module 2 report is published in time, we would envisage having a very limited number of sessions on this in 2026, before Senedd dissolution, for reference in our legacy report.

C1

Bydd yr Aelodau yn gwybod nad yw'r Bil ar hyn o bryd yn rhoi amser i apêl Aelod gael ei chlywed er mwyn diddymu euogfarn cyn i bôl adalw gael ei sbarduno.

Members will know that the Bill does not currently provide a Member with time to have an appeal heard in order to overturn a conviction prior to a recall poll being triggered.

C2

Fel y nododd Gareth Davies, bydd diddymu'r dreth trafodiadau tir yn rhyddhau degau o filoedd o gartrefi ar y farchnad, gan greu gweithgarwch economaidd, a chefnogi busnesau lleol.

As Gareth Davies pointed out, scrapping land transaction tax will release tens of thousands of homes onto the market, creating economic activity, supporting local businesses.

C2

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

arwain

to lead

rheoli

to govern

ymladd

to fight

set

you (sing.) would be (contraction of baset)

o'n

I was (contraction of oeddwn)

amddiffyn

to protect

ethol

to elect

ymosod

to attack

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