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diogelu

to secure

VerbC1

"diogelu" means "to secure" in Welsh (verb). Mutation forms: Treiglad Meddal → ddiogelu, Treiglad Trwynol → niogelu.

Mutation forms

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

MutationForm
Base formdiogelu
Treiglad Meddalddiogelu
Treiglad Trwynolniogelu

"diogelu" in context

Diogelu Refeniw yn teithio o gwmpas y rhwydwaith yn rheolaidd.

Revenue Protection teams are regularly out and about on the network.

B1

Mae Deddf Cydraddoldeb 2010 yn diogelu pobl rhag triniaeth annheg, ac yn galw am addasiadau rhesymol i sicrhau mynediad cyfartal at wasanaethau i bobl anabl.

The Equality Act 2010 protects people from unfair treatment, and requires reasonable adjustments to ensure equal access to services for disabled people.

C1

Pam mai Cymru oedd â'r stoc waethaf o ran ansawdd o gyfarpar diogelu anadlol, a pham nad oedd y cyfarpar nad oedd wedi pasio ei ddyddiad dod i ben yn ffitio wynebau benywod sy'n gweithio yn ein GIG?

Why did Wales have the worst-quality stockpile of respiratory protective equipment, and why did the equipment that was not expired not fit the faces of female people who work within our NHS?

C1

Drwy edrych ar ôl ein gwrychoedd ac ymylon caeau, rydym yn diogelu cynefinoedd a bwyd ar gyfer byd natur.

By looking after our hedges and edges, we are improving habitat safety and foraging for nature.

B2

Felly, rwy'n ceisio sicrwydd ar y mesurau a'r camau diogelu sydd angen eu rhoi ar waith yma, ond hefyd fe wnes i gwrdd ag Aelod Seneddol sy'n ymgyrchu ar y mater hwn dros yr haf.

So, I'm seeking assurances on the safeguards and guardrails that need to be put in place here, but also I met with an MP campaigning on this issue over the summer.

C1

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

agor

to open

cynnwys

to permit

chwilio

to find

dal

to hold

defnyddio

to use

ffurfio

to form

nhau

to clean

rhoi

to put

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