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gwirio

to verify

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

Present

Presennol

PersonForm
I (fi)gwiriaf
You sg. (ti)gwiriei
He/She (fe/hi)gwiriâ
We (ni)gwiriawn
You pl. (chi)gwiriewch
They (nhw)gwiriânt
Impersonalgwirieir

Imperfect

Amherffaith

PersonForm
I (fi)gwiriawn
You sg. (ti)gwiriait
He/She (fe/hi)gwiriâi
We (ni)gwiriaem
You pl. (chi)gwiriaech
They (nhw)gwiriaent
Impersonalgwirieid

Preterite

Gorffennol

PersonForm
I (fi)gwirieais
You sg. (ti)gwirieaist
He/She (fe/hi)hi
We (ni)gwiriasom
You pl. (chi)gwiriasoch
They (nhw)gwiriasant
Impersonalgwiriawyd

Pluperfect

Gorberffaith

PersonForm
I (fi)gwiriaswn
You sg. (ti)gwiriasit
He/She (fe/hi)gwiriasai
We (ni)gwiriasem
You pl. (chi)gwiriasech
They (nhw)gwiriasent
Impersonalgwiriasid

Future

Dyfodol

PersonForm
I (fi)gwiria i
You sg. (ti)gwiri di
He/She (fe/hi)hi o
We (ni)gwiriwn ni
You pl. (chi)gwiriwch chi
They (nhw)gwirian nhw

Conditional

Amodol

PersonForm
I (fi)gwiriawn
You sg. (ti)gwiriait
He/She (fe/hi)hi
We (ni)gwiriaem
You pl. (chi)gwiriaech
They (nhw)gwiriaent
Impersonalgwirieid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)gwiriâ
He/She (fe/hi)gwiriaed
We (ni)gwiriawn
You pl. (chi)gwiriewch
They (nhw)gwiriaent
Impersonalgwiriaer

Example sentences

Mae'r Bil yn darparu ar gyfer cynnwys gofyniad gwirio adnabod sy'n gofyn am rif yswiriant gwladol ychwanegol yn unig.

The Bill provides for the inclusion of an identity verification requirement that only requires an additional national insurance number.

C1

Rydym wedi datblygu blog gwirio ffeithiau, 'Cofnod Cywir'.

We've developed a fact-check blog, 'For the record'.

C2

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 →

Practise "gwirio" with spaced repetition

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Other Welsh verbs

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to join

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to become black

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dal

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trio

to try

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