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canslo

to cancel

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

Present

Presennol

PersonForm
I (fi)canslaf
You sg. (ti)censli
He/She (fe/hi)canslo
We (ni)canslwn
You pl. (chi)censlwch
They (nhw)canslant
Impersonalcenslir

Imperfect

Amherffaith

PersonForm
I (fi)canslwn
You sg. (ti)canslit
He/She (fe/hi)canslai
We (ni)canslem
You pl. (chi)canslech
They (nhw)canslent
Impersonalcenslid

Preterite

Gorffennol

PersonForm
I (fi)censlais
You sg. (ti)censlaist
He/She (fe/hi)canslodd
We (ni)canslasom
You pl. (chi)canslasoch
They (nhw)canslasant
Impersonalcanslwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)canslaswn
You sg. (ti)canslasit
He/She (fe/hi)canslasai
We (ni)canslasem
You pl. (chi)canslasech
They (nhw)canslasent
Impersonalcanslasid

Future

Dyfodol

PersonForm
I (fi)cansla i
You sg. (ti)cansli di
He/She (fe/hi)hi o
We (ni)canslwn ni
You pl. (chi)canslwch chi
They (nhw)canslan nhw

Conditional

Amodol

PersonForm
I (fi)canslwn
You sg. (ti)canslit
He/She (fe/hi)hi
We (ni)canslem
You pl. (chi)canslech
They (nhw)canslent
Impersonalcenslid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)cansla
He/She (fe/hi)cansled
We (ni)canslwn
You pl. (chi)censlwch
They (nhw)canslent
Impersonalcansler

Example sentences

A wnaiff yr Ysgrifennydd Cabinet ddatganiad wedi i Drafnidiaeth Cymru orfod canslo trenau ar linellau craidd y Cymoedd oherwydd difrod a achoswyd yn sgil y tywydd poeth dros y penwythnos?

Will the Cabinet Secretary make a statement after Transport for Wales had to cancel trains on the Valleys core lines due to damage caused by hot weather over the weekend?

C1

Mae'r hybiau hyn yn clustnodi adnoddau ac yn sicrhau bod triniaethau a gynlluniwyd yn digwydd heb gael eu canslo, heb ymchwydd yn y galw am ofal brys ac ymchwydd yn yr ystafell lawfeddygol.

These hubs ring-fence resources and ensure that elective procedures go ahead without being cancelled, without accident and emergency demand spikes and surgical room spikes.

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 →

Practise "canslo" with spaced repetition

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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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