"жесток" meaning in Russian

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  "etymology_number": 1,
  "forms": [
    {
      "form": "жесто́к",
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        "canonical"
      ]
    },
    {
      "form": "žestók",
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        "romanization"
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      "name": "head"
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  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adj",
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    {
      "form_of": [
        {
          "extra": "žestókij",
          "word": "жесто́кий"
        }
      ],
      "glosses": [
        "short masculine singular of жесто́кий (žestókij)"
      ],
      "id": "en-жесток-ru-adj-vk3KXrQx",
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        [
          "жесто́кий",
          "жестокий#Russian"
        ]
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  ],
  "sounds": [
    {
      "ipa": "[ʐɨˈstok]"
    }
  ],
  "word": "жесток"
}

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  "etymology_number": 2,
  "forms": [
    {
      "form": "žóstok",
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        "romanization"
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    }
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        "tr": "žóstok"
      },
      "expansion": "жесток • (žóstok)",
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  ],
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  "lang_code": "ru",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "žóstok",
          "word": "жёсток"
        }
      ],
      "categories": [
        {
          "_dis": "14 19 8 11 8 5 1 20 8 5",
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      ],
      "glosses": [
        "Alternative spelling of жёсток (žóstok)"
      ],
      "id": "en-жесток-ru-adj-vhvecQZ9",
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  ],
  "word": "жесток"
}

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    {
      "form": "жесто́к",
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      "form": "žestók",
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  "lang_code": "ru",
  "pos": "adj",
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          "word": "жесто́кий"
        }
      ],
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        "short masculine singular of жесто́кий (žestókij)"
      ],
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  ],
  "sounds": [
    {
      "ipa": "[ʐɨˈstok]"
    }
  ],
  "word": "жесток"
}

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  "word": "жесток"
}