in English is:

to check

,

to verify

,

to ascertain

,

to swear

Mutations

Soft:wirio
Nasal:ngwirio
Aspirate:(no mutation)
Phrases (2)
gwirio sillafu
gwirydd sillafu
External

Dictionary Portal

This is a library of dictionaries and other online resources where you can search further for gwirio*:

Specialist Dictionaries
Glossaries
Terminology
Encyclopedia
Example Sentences
Sentences containing:

*External websites will be opened in a new window.