"tesonero" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "tesón",
        "3": "-ero"
      },
      "expansion": "tesón + -ero",
      "name": "af"
    }
  ],
  "etymology_text": "From tesón + -ero.",
  "forms": [
    {
      "form": "tesonera",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "tesoneros",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "tesoneras",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tesonero (feminine tesonera, masculine plural tesoneros, feminine plural tesoneras)",
      "name": "es-adj"
    }
  ],
  "hyphenation": [
    "te‧so‧ne‧ro"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish terms suffixed with -ero",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2015 July 13, “La falta de criterio presidencial marcó la novillada celebrada en Las Ventas”, in El País",
          "text": "El debutante se mostró tesonero, dispuesto a no dejarse ganar la pelea, pero la faena no llegó a tomar vuelo por lo poco que colaboró el utrero.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "stubborn; tenacious"
      ],
      "id": "en-tesonero-es-adj-eWREfUE~",
      "links": [
        [
          "stubborn",
          "stubborn"
        ],
        [
          "tenacious",
          "tenacious"
        ]
      ],
      "synonyms": [
        {
          "word": "testarudo"
        },
        {
          "word": "obstinado"
        },
        {
          "word": "porfiado"
        },
        {
          "word": "tenaz"
        },
        {
          "word": "terco"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tesoˈneɾo/"
    },
    {
      "ipa": "[t̪e.soˈne.ɾo]"
    },
    {
      "rhymes": "-eɾo"
    }
  ],
  "word": "tesonero"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "tesón",
        "3": "-ero"
      },
      "expansion": "tesón + -ero",
      "name": "af"
    }
  ],
  "etymology_text": "From tesón + -ero.",
  "forms": [
    {
      "form": "tesonera",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "tesoneros",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "tesoneras",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tesonero (feminine tesonera, masculine plural tesoneros, feminine plural tesoneras)",
      "name": "es-adj"
    }
  ],
  "hyphenation": [
    "te‧so‧ne‧ro"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Requests for translations of Spanish quotations",
        "Rhymes:Spanish/eɾo",
        "Rhymes:Spanish/eɾo/4 syllables",
        "Spanish 4-syllable words",
        "Spanish adjectives",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish terms suffixed with -ero",
        "Spanish terms with IPA pronunciation",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2015 July 13, “La falta de criterio presidencial marcó la novillada celebrada en Las Ventas”, in El País",
          "text": "El debutante se mostró tesonero, dispuesto a no dejarse ganar la pelea, pero la faena no llegó a tomar vuelo por lo poco que colaboró el utrero.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "stubborn; tenacious"
      ],
      "links": [
        [
          "stubborn",
          "stubborn"
        ],
        [
          "tenacious",
          "tenacious"
        ]
      ],
      "synonyms": [
        {
          "word": "testarudo"
        },
        {
          "word": "obstinado"
        },
        {
          "word": "porfiado"
        },
        {
          "word": "tenaz"
        },
        {
          "word": "terco"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tesoˈneɾo/"
    },
    {
      "ipa": "[t̪e.soˈne.ɾo]"
    },
    {
      "rhymes": "-eɾo"
    }
  ],
  "word": "tesonero"
}