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diogelu

to protect

"diogelu" means "to protect" in Welsh. Full conjugation table with present, imperfect, preterite, future, conditional, and imperative tenses.

Present

Presennol

PersonForm
I (fi)diogelaf
You sg. (ti)diogeli
He/She (fe/hi)diogela
We (ni)diogelwn
You pl. (chi)diogelwch
They (nhw)diogelant
Impersonaldiogelir

Imperfect

Amherffaith

PersonForm
I (fi)diogelwn
You sg. (ti)diogelit
He/She (fe/hi)diogelai
We (ni)diogelem
You pl. (chi)diogelech
They (nhw)diogelent
Impersonaldiogelid

Preterite

Gorffennol

PersonForm
I (fi)diogelais
You sg. (ti)diogelaist
He/She (fe/hi)diogelodd
We (ni)diogelasom
You pl. (chi)diogelasoch
They (nhw)diogelasant
Impersonaldiogelwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)diogelaswn
You sg. (ti)diogelasit
He/She (fe/hi)diogelasai
We (ni)diogelasem
You pl. (chi)diogelasech
They (nhw)diogelasent
Impersonaldiogelasid

Future

Dyfodol

PersonForm
I (fi)diogelaf i
You sg. (ti)diogeli di
He/She (fe/hi)hi o
We (ni)diogelwn ni
You pl. (chi)diogelwch chi
They (nhw)diogelan nhw

Conditional

Amodol

PersonForm
I (fi)diogelwn
You sg. (ti)diogelit
He/She (fe/hi)hi
We (ni)diogelem
You pl. (chi)diogelech
They (nhw)diogelent
Impersonaldiogelid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)diogela
He/She (fe/hi)diogeled
We (ni)diogelwn
You pl. (chi)diogelwch
They (nhw)diogelent
Impersonaldiogeler

Example sentences

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

Further reading

Welsh Verb Conjugation — All Tenses, Full Tables, Clear Patterns →The Welsh Verb Bod (To Be) — Every Form, Every Tense →Welsh Pronunciation — It's Actually Easier Than English →Best Apps to Learn Welsh (2026) →Browse all Welsh verb conjugations →

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Other Welsh verbs

euro

to gild

uno

to join

duo

to become black

mela

to gather nectar to make honey

dal

to catch

trio

to try

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