A Welsh-English / English-Welsh on-line dictionary including definitions and pronunciations within a collection of multimedia resources for users of Welsh of all ages and abilities.

...the where on the web to learn about Welsh...”


beta version!



Gweiadur Pawb

The core dictionary of the project. Based on over 40 years of dictionary building, it includes:

  • 500,000 Welsh words (including mutations and verb forms)
  • 50,000 Welsh definitions and phrases
  • verbs conjugated in every tense
  • adjectives compared
  • prepositions conjugated
  • grammatical advice about word usage
  • the mutations which are triggered by certain words
  • audio pronunciation
  • corresponding English words at sense level
  • English/Welsh index

As the project progresses, we will update the dictionary and extend its contents. We will also add other specialist resources to Gweiadur.

Type a word in the search box to start using Gweiadur!

D. Geraint Lewis
Nudd Lewis