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dadlau

to argue

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

Present

Presennol

PersonForm
I (fi)dadleuaf
You sg. (ti)dadleui
He/She (fe/hi)dadleua
We (ni)dadleuwn
You pl. (chi)dadleuwch
They (nhw)dadleuant
Impersonaldadleuir

Imperfect

Amherffaith

PersonForm
I (fi)dadleuwn
You sg. (ti)dadleuit
He/She (fe/hi)dadleuai
We (ni)dadleuem
You pl. (chi)dadleuech
They (nhw)dadleuent
Impersonaldadleuid

Preterite

Gorffennol

PersonForm
I (fi)dadleuais
You sg. (ti)dadleuaist
He/She (fe/hi)dadleuodd
We (ni)dadleuasom
You pl. (chi)dadleuasoch
They (nhw)dadleuasant
Impersonaldadleuwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)dadleuaswn
You sg. (ti)dadleuasit
He/She (fe/hi)dadleuasai
We (ni)dadleuasem
You pl. (chi)dadleuasech
They (nhw)dadleuasent
Impersonaldadleuasid

Future

Dyfodol

PersonForm
I (fi)dadleua i
You sg. (ti)dadleui di
He/She (fe/hi)hi o
We (ni)dadleuwn ni
You pl. (chi)dadleuwch chi
They (nhw)dadleuant nhw

Conditional

Amodol

PersonForm
I (fi)dadleuwn
You sg. (ti)dadleuit
He/She (fe/hi)dadleuai
We (ni)dadleuem
You pl. (chi)dadleuech
They (nhw)dadleuent
Impersonaldadleuid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)dadleua
He/She (fe/hi)dadleued
We (ni)dadleuwn
You pl. (chi)dadleuwch
They (nhw)dadleuent
Impersonaldadleuer

Example sentences

Clywodd Tom ei rieni yn dadlau.

Tom heard his parents arguing.

B2

Nawr, nid wyf yn siŵr sut y mae pobl a bleidleisiodd dros weld Cymru'n cael llai o arian yn dadlau bellach y dylem wario mwy fyth ar gymorth ffermio.

Now, I’m not sure how people who voted for Wales to get less money now argue that we should spend even more on farming support.

B2

Mae'n ymddangos mai dim ond ddoe yr oeddwn i yma'n dadlau'r pwyntiau hyn.

It seems that I was only here yesterday arguing these points.

B2

Ac oedd, roedd wrth ei fodd â'i ymddangosiadau ar Sharp End yn hwyr yn y nos, pan oedd, gellid dadlau, ar ei fwyaf craff.

And yes, he so loved his late-night Sharp End slots, when he was, arguably, at his sharpest.

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

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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