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amddiffyn

to protect

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

Present

Presennol

PersonForm
I (fi)amddiffynnaf
You sg. (ti)amddiffynni
He/She (fe/hi)amddiffyn
We (ni)amddiffynnwn
You pl. (chi)amddiffynnwch
They (nhw)amddiffynnant
Impersonalamddiffynnir

Imperfect

Amherffaith

PersonForm
I (fi)amddiffynnwn
You sg. (ti)amddiffynnit
He/She (fe/hi)amddiffynnai
We (ni)amddiffynnem
You pl. (chi)amddiffynnech
They (nhw)amddiffynnent
Impersonalamddiffynnid

Preterite

Gorffennol

PersonForm
I (fi)amddiffynnais
You sg. (ti)amddiffynnaist
He/She (fe/hi)amddiffynnodd
We (ni)amddiffynasom
You pl. (chi)amddiffynasoch
They (nhw)amddiffynasant
Impersonalamddiffynnwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)amddiffynaswn
You sg. (ti)amddiffynasit
He/She (fe/hi)amddiffynasai
We (ni)amddiffynasem
You pl. (chi)amddiffynasech
They (nhw)amddiffynasent
Impersonalamddiffynasid

Future

Dyfodol

PersonForm
I (fi)amddiffynnaf i
You sg. (ti)amddiffynni di
He/She (fe/hi)hi o
We (ni)amddiffynnwn ni
You pl. (chi)amddiffynnwch chi
They (nhw)amddiffynnan nhw

Conditional

Amodol

PersonForm
I (fi)amddiffynnwn
You sg. (ti)amddiffynnit
He/She (fe/hi)amddiffynnai
We (ni)amddiffynnem
You pl. (chi)amddiffynnech
They (nhw)amddiffynnent
Impersonalamddiffynnid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)amddiffynna
He/She (fe/hi)amddiffynned
We (ni)amddiffynnwn
You pl. (chi)amddiffynnwch
They (nhw)amddiffynnent
Impersonalamddiffynner

Example sentences

Clywsom hefyd fod nifer o brifysgolion yn wynebu pwysau aruthrol, gydag un cyfranogwr yn galw am weithredu ar frys i amddiffyn ein prifysgolion ac annog pobol ifanc Cymru i fanteisio ar yr addysg uwch sydd ar gael yma yng Nghymru.

We also heard that a number of universities are facing immense pressures, with one participant calling for urgent action to protect our universities and encourage the young people of Wales to take advantage of the higher education available here in Wales.

B2

Does bosib mai amddiffyn buddiannau Cymru drwy sicrhau cyllid teg i'n cenedl yw un o brif swyddogaethau Prif Weinidog Cymru.

Defending the interests of Wales by securing fair funding for our nation is surely one of the primary functions of this First Minister.

C1

Pa asesiad y mae'r Prif Weinidog wedi'i wneud o effaith strategaeth ddiwydiannol amddiffyn Llywodraeth y DU ar Gymru?

What assessment has the First Minister made of the impact of the UK Government's defence industrial strategy on Wales?

B2

Mae Cymru bob amser wedi gwneud yn well na'r disgwyl ym maes amddiffyn, o General Dynamics ym Merthyr i Airbus ym Mrychdyn, gan ddarparu swyddi medrus â chyflog da sy'n cynnal cymunedau.

Wales has always punched above its weight in defence, from General Dynamics in Merthyr to Airbus in Broughton, providing skilled, well-paid jobs that sustain communities.

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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dal

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trio

to try

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