"hatefuller" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "examples": [
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          "ref": "1922, “The Persians”, in Geoffrey Montagu Cookson, transl., Four Plays of Aeschylus, page 77:",
          "text": "Oh, can misfortune come in hatefuller shape?",
          "type": "quote"
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      "form_of": [
        {
          "extra": "more hateful",
          "word": "hateful"
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        "comparative form of hateful: more hateful"
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          "hateful#English"
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  "word": "hatefuller"
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      "expansion": "hatefuller",
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  "lang_code": "en",
  "pos": "adj",
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        {
          "ref": "1922, “The Persians”, in Geoffrey Montagu Cookson, transl., Four Plays of Aeschylus, page 77:",
          "text": "Oh, can misfortune come in hatefuller shape?",
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      "form_of": [
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          "extra": "more hateful",
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        "comparative form of hateful: more hateful"
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