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colli

to lose

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

Present

Presennol

PersonForm
I (fi)collaf
You sg. (ti)colli
He/She (fe/hi)cyll
We (ni)collwn
You pl. (chi)collwch
They (nhw)collant
Impersonalcollir

Imperfect

Amherffaith

PersonForm
I (fi)collwn
You sg. (ti)collit
He/She (fe/hi)collai
We (ni)collem
You pl. (chi)collech
They (nhw)collent
Impersonalcollid

Preterite

Gorffennol

PersonForm
I (fi)collais
You sg. (ti)collaist
He/She (fe/hi)collodd
We (ni)collasom
You pl. (chi)collasoch
They (nhw)collasant
Impersonalcollwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)collaswn
You sg. (ti)collasit
He/She (fe/hi)collasai
We (ni)collasem
You pl. (chi)collasech
They (nhw)collasent
Impersonalcollasid

Future

Dyfodol

PersonForm
I (fi)collaf i
You sg. (ti)colli di
He/She (fe/hi)hi o
We (ni)collwn ni
You pl. (chi)collwch chi
They (nhw)collant nhw

Conditional

Amodol

PersonForm
I (fi)collwn
You sg. (ti)collit
He/She (fe/hi)hi
We (ni)collem
You pl. (chi)collech
They (nhw)collent
Impersonalcollid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)coll
He/She (fe/hi)colled
We (ni)collwn
You pl. (chi)collwch
They (nhw)collent
Impersonalcoller

Example sentences

Dw i'n wedi colli'r allwedd.

I have lost the key.

C1

Mae hi wedi colli ei hallwedd.

She's lost her car key.

B2

Mae hi wedi colli ei goriad.

She's lost her car key.

B2

Wyt ti wedi colli dy enaid di?

Have you lost your soul?

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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