"blackhearted" meaning in English

{
  "forms": [
    {
      "form": "more blackhearted",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most blackhearted",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blackhearted (comparative more blackhearted, superlative most blackhearted)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "black-hearted"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009 March 31, David Segal, “A Signature Shuffle Enjoys a New Life”, in New York Times",
          "text": "Eventually he asked them to “go somewhere else with your negative, hateful, blackhearted and useless souls.”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of black-hearted"
      ],
      "id": "en-blackhearted-en-adj-tn0bnAC-",
      "links": [
        [
          "black-hearted",
          "black-hearted#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "blackhearted"
}

{
  "forms": [
    {
      "form": "more blackhearted",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most blackhearted",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blackhearted (comparative more blackhearted, superlative most blackhearted)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "black-hearted"
        }
      ],
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2009 March 31, David Segal, “A Signature Shuffle Enjoys a New Life”, in New York Times",
          "text": "Eventually he asked them to “go somewhere else with your negative, hateful, blackhearted and useless souls.”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of black-hearted"
      ],
      "links": [
        [
          "black-hearted",
          "black-hearted#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "blackhearted"
}