Geiriadur Prifysgol Cymru

The historical dictionary of Welsh — every sense, dated, with citations.

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What it actually is

Welsh's equivalent of the OED, free online and searchable. Overkill for a learner asking what a word means today, and exactly right when you meet a word in older poetry or want to know whether a usage is modern. Includes an app.

What it covers

  • Reading
  • Vocabulary

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