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ymdreiddio

to penetrate

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

Present

Presennol

PersonForm
I (fi)ymdreiddiaf
You sg. (ti)ymdreiddi
He/She (fe/hi)ymdreiddio
We (ni)ymdreiddiwn
You pl. (chi)ymdreiddiwch
They (nhw)ymdreiddiant
Impersonalymdreiddir

Imperfect

Amherffaith

PersonForm
I (fi)ymdreiddiwn
You sg. (ti)ymdreiddit
He/She (fe/hi)ymdreiddiai
We (ni)ymdreiddiem
You pl. (chi)ymdreiddiech
They (nhw)ymdreiddient
Impersonalymdreiddid

Preterite

Gorffennol

PersonForm
I (fi)ymdreiddiais
You sg. (ti)ymdreiddiaist
He/She (fe/hi)ymdreiddiodd
We (ni)ymdreiddiasom
You pl. (chi)ymdreiddiasoch
They (nhw)ymdreiddiasant
Impersonalymdreiddiwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)ymdreiddiaswn
You sg. (ti)ymdreiddiasit
He/She (fe/hi)ymdreiddiasai
We (ni)ymdreiddiasem
You pl. (chi)ymdreiddiasech
They (nhw)ymdreiddiasent
Impersonalymdreiddiasid

Future

Dyfodol

PersonForm
I (fi)ymdreiddia i
You sg. (ti)ymdreiddi di
He/She (fe/hi)hi o
We (ni)ymdreiddiwn ni
You pl. (chi)ymdreiddiwch chi
They (nhw)ymdreiddian nhw

Conditional

Amodol

PersonForm
I (fi)ymdreiddiwn
You sg. (ti)ymdreiddit
He/She (fe/hi)hi
We (ni)ymdreiddiem
You pl. (chi)ymdreiddiech
They (nhw)ymdreiddient
Impersonalymdreiddid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)ymdreiddia
He/She (fe/hi)ymdreiddied
We (ni)ymdreiddiwn
You pl. (chi)ymdreiddiwch
They (nhw)ymdreiddient
Impersonalymdreiddier

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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to join

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trio

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