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cynyddu

to increase

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

Present

Presennol

PersonForm
I (fi)cynyddaf
You sg. (ti)cynyddi
He/She (fe/hi)cynydda
We (ni)cynyddwn
You pl. (chi)cynyddwch
They (nhw)cynyddant
Impersonalcynyddir

Imperfect

Amherffaith

PersonForm
I (fi)cynyddwn
You sg. (ti)cynyddit
He/She (fe/hi)cynyddai
We (ni)cynyddem
You pl. (chi)cynyddech
They (nhw)cynyddent
Impersonalcynyddid

Preterite

Gorffennol

PersonForm
I (fi)cynyddais
You sg. (ti)cynyddaist
He/She (fe/hi)cynyddodd
We (ni)cynyddasom
You pl. (chi)cynyddasoch
They (nhw)cynyddasant
Impersonalcynyddwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)cynyddaswn
You sg. (ti)cynyddasit
He/She (fe/hi)cynyddasai
We (ni)cynyddasem
You pl. (chi)cynyddasech
They (nhw)cynyddasent
Impersonalcynyddasid

Future

Dyfodol

PersonForm
I (fi)cynydda i
You sg. (ti)cynyddi di
He/She (fe/hi)hi o
We (ni)cynyddwn ni
You pl. (chi)cynyddwch chi
They (nhw)cynyddan nhw

Conditional

Amodol

PersonForm
I (fi)cynyddwn
You sg. (ti)cynyddit
He/She (fe/hi)hi
We (ni)cynyddem
You pl. (chi)cynyddech
They (nhw)cynyddent
Impersonalcynyddid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)cynydda
He/She (fe/hi)cynydded
We (ni)cynyddwn
You pl. (chi)cynyddwch
They (nhw)cynyddent
Impersonalcynydder

Example sentences

Mae'r adroddiad diweddar gan y tasglu tai fforddiadwy yn tynnu sylw at y rhwystrau a'r cyfyngiadau ar y sector tai wrth geisio cynyddu'r cyflenwad o dai fforddiadwy, ac mae o'n adroddiad pwysig.

The recent report by the affordable housing taskforce highlights the blockages and constraints on the housing sector when trying to increase the supply of affordable homes, and it's a very important report.

C1

O ran y gwaith, mae'r rhaglen waith ar dai fforddiadwy, a elwid gynt yn Unnos, wedi bod yn alluogydd pwysig ar gyfer cynyddu graddfa a chyflymder y ddarpariaeth o dai fforddiadwy a thai cymdeithasol.

In terms of the work, the affordable housing work programme, which was formerly Unnos, has absolutely been an important enabler for increasing the scale and pace of delivery of affordable and social housing.

C1

Fel y dywedodd Ysgrifennydd y Cabinet dros gyllid yn ei ddatganiad, rydym yn cynyddu cyllidebau yn unol â chwyddiant, a'n blaenoriaeth yw darparu sefydlogrwydd a sicrwydd i wasanaethau cyhoeddus mewn blwyddyn etholiad.

As the Cabinet Secretary for finance said in his statement, we're increasing budgets in line with inflation, and our priority is to provide stability and certainty to public services in an election year.

C1

Eleni rydym wedi cynyddu'r cyllid i Cwmpas gyflawni, ac mae bellach yn fwy na £200,000.

This year we've increased that funding to Cwmpas to deliver, which is over £200,000.

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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