"bitterer" meaning in English

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  "lang_code": "en",
  "pos": "adj",
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          "ref": "1843 December 19, Charles Dickens, “(please specify the page number)”, in A Christmas Carol. In Prose. Being a Ghost Story of Christmas, London: Chapman & Hall, […], →OCLC:",
          "text": "No wind that blew was bitterer than he, […]",
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          "extra": "more bitter",
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        "comparative form of bitter: more bitter"
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  "word": "bitterer"
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  "lang_code": "en",
  "pos": "adj",
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