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diweddaru

to update

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

Present

Presennol

PersonForm
I (fi)diweddaraf
You sg. (ti)diwedderi
He/She (fe/hi)diweddara
We (ni)diweddarwn
You pl. (chi)diwedderwch
They (nhw)diweddarant
Impersonaldiwedderir

Imperfect

Amherffaith

PersonForm
I (fi)diweddarwn
You sg. (ti)diweddarit
He/She (fe/hi)diweddarai
We (ni)diweddarem
You pl. (chi)diweddarech
They (nhw)diweddarent
Impersonaldiwedderid

Preterite

Gorffennol

PersonForm
I (fi)diwedderais
You sg. (ti)diwedderaist
He/She (fe/hi)diweddarodd
We (ni)diweddarasom
You pl. (chi)diweddarasoch
They (nhw)diweddarasant
Impersonaldiweddarwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)diweddaraswn
You sg. (ti)diweddarasit
He/She (fe/hi)diweddarasai
We (ni)diweddarasem
You pl. (chi)diweddarasech
They (nhw)diweddarasent
Impersonaldiweddarasid

Future

Dyfodol

PersonForm
I (fi)diweddara i
You sg. (ti)diweddari di
He/She (fe/hi)hi o
We (ni)diweddarwn ni
You pl. (chi)diweddarwch chi
They (nhw)diweddaran nhw

Conditional

Amodol

PersonForm
I (fi)diweddarwn
You sg. (ti)diweddarit
He/She (fe/hi)diweddarai
We (ni)diweddarem
You pl. (chi)diweddarech
They (nhw)diweddarent
Impersonaldiwedderid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)diweddara
He/She (fe/hi)diweddared
We (ni)diweddarwn
You pl. (chi)diwedderwch
They (nhw)diweddarent
Impersonaldiweddarer

Example sentences

Mae'n diweddaru terminoleg a chyfeiriadau i adlewyrchu'r trefniadau sefydliadol a chyfansoddiadol sy'n berthnasol yng Nghymru.

It updates terminology and references to reflect the institutional and constitutional arrangements applicable in Wales.

C1

Rydym wedi bod yn siarad â'n prifysgolion am gyrsiau y gall staff presennol eu cymryd i'w diweddaru.

We have been talking to our universities about courses that can be taken by existing staff to get them up to speed.

C1

Rydym yn ymgysylltu â rhanddeiliaid allweddol, gan gynnwys yr undebau a chynrychiolwyr y diwydiant, ar y ddwy flaenoriaeth hyn a byddwn yn diweddaru'r Senedd maes o law.

We're engaging with key stakeholders, including the unions and industry representatives, on both these priorities and will update the Senedd in due course.

C1

Rwy'n falch o gadarnhau fy mod wedi derbyn pob un o'r pum argymhelliad a wnaed gan y Pwyllgor Cyllid a byddaf yn diweddaru'r Asesiad Effaith Rheoleiddiol yng Nghyfnod 2 yn unol â hynny.

I'm pleased to confirm that I have accepted all five of the recommendations made by the Finance Committee and will update the RIA at Stage 2 accordingly.

C1

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

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to gild

uno

to join

duo

to become black

mela

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dal

to catch

trio

to try

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