Welsh

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Etymology

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From pen (head) +‎ gwag (empty).

Pronunciation

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Adjective

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penwag (feminine singular penwag, plural penwag, equative mor benwag, comparative mwy penwag, superlative mwyaf penwag)

  1. having an empty or hollow head or top
  2. empty-headed, weak-minded, silly
    Synonyms: gwag, penwan, disynnwyr, gwirion, ffôl

Noun

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penwag m (plural penwaig or penwyg or penweigion)

  1. older form of pennog (herring)