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diflannu

to disappear

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

Present

Presennol

PersonForm
I (fi)diflannaf
You sg. (ti)diflenni
He/She (fe/hi)diflanna
We (ni)diflannwn
You pl. (chi)diflennwch
They (nhw)diflannant
Impersonaldiflennir

Imperfect

Amherffaith

PersonForm
I (fi)diflannwn
You sg. (ti)diflannit
He/She (fe/hi)diflannai
We (ni)diflannem
You pl. (chi)diflannech
They (nhw)diflannent
Impersonaldiflennid

Preterite

Gorffennol

PersonForm
I (fi)diflennais
You sg. (ti)diflennaist
He/She (fe/hi)diflannodd
We (ni)diflanasom
You pl. (chi)diflanasoch
They (nhw)diflanasant
Impersonaldiflannwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)diflanaswn
You sg. (ti)diflanasit
He/She (fe/hi)diflanasai
We (ni)diflanasem
You pl. (chi)diflanasech
They (nhw)diflanasent
Impersonaldiflanasid

Future

Dyfodol

PersonForm
I (fi)diflanna i
You sg. (ti)diflanni di
He/She (fe/hi)hi o
We (ni)diflannwn ni
You pl. (chi)diflannwch chi
They (nhw)diflannant nhw

Conditional

Amodol

PersonForm
I (fi)diflannwn
You sg. (ti)diflannit
He/She (fe/hi)diflannai
We (ni)diflannem
You pl. (chi)diflannech
They (nhw)diflannent
Impersonaldiflennid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)diflanna
He/She (fe/hi)diflanned
We (ni)diflannwn
You pl. (chi)diflennwch
They (nhw)diflannent
Impersonaldiflanner

Example sentences

Mae yna bobl yn fy etholaeth nad ydynt yn gysylltiedig â ffermio, ond byddant yn dioddef os yw'r diwydiant ffermio'n dirywio neu'n diflannu.

There are people in my constituency who are not connected with farming, but they will suffer if the farming industry declines or disappears.

C1

Bydd ysgolion gwledig yn diflannu.

Rural schools will disappear.

B2

Bydd gwasanaethau lleol yn diflannu.

Local services will disappear.

B1

Yn aml, gall pethau fynd yn wych, yna mae'r hyrwyddwr hwnnw'n gadael yr ysgol ac yna mae'r holl gynnydd hwnnw'n diflannu dros nos, neu nid oes athro cefnogol yno i gefnogi'r grŵp hwnnw o fenywod ifanc, brwdfrydig sy'n datblygu hyn.

Often, things can go brilliantly, then that champion leaves school and then all that progress disappears overnight, or there's not a supportive teacher there to support that group of young, enthused women who are taking this forward.

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 →

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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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