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colli

to lose

VerbB1/ˈkɔɬɪ/

“colli” means “to lose” in Welsh (verb). Pronounced /ˈkɔɬɪ/. Mutation forms: Treiglad Meddal → golli, Treiglad Trwynol → ngholli, Treiglad Llaes → cholli.

Mutation forms

In Welsh, the first letter of “colli” changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formcolli
Treiglad Meddalgolli
Treiglad Trwynolngholli
Treiglad Llaescholli

“colli” in context

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

Mae Tom wedi colli ei enaid e.

Tom has lost his soul.

B2

Further reading

Welsh Mutations Explained — Soft, Nasal & Aspirate →Welsh Pronunciation — It's Actually Easier Than English →How to Learn Welsh as an Adult — A Step-by-Step Roadmap →Best Apps to Learn Welsh (2026) →Browse all Welsh vocabulary →

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Related Welsh words

agor

to open

cynnwys

to permit

chwarae

to play

chwilio

to find

dal

to hold

defnyddio

to use

ffurfio

to form

nhau

to clean

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