"fidelísimo" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "fidēlissimus"
      },
      "expansion": "Latin fidēlissimus",
      "name": "uder"
    }
  ],
  "etymology_text": "From Latin fidēlissimus.",
  "forms": [
    {
      "form": "fidelísima",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "fidelísimos",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "fidelísimas",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "hyphenation": [
    "fi‧de‧lí‧si‧mo"
  ],
  "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 undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "fiel"
        }
      ],
      "glosses": [
        "superlative degree of fiel"
      ],
      "id": "en-fidelísimo-es-adj-PrV3KTeP",
      "links": [
        [
          "fiel",
          "fiel#Spanish"
        ]
      ],
      "tags": [
        "form-of",
        "superlative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fideˈlisimo/"
    },
    {
      "ipa": "[fi.ð̞eˈli.si.mo]"
    },
    {
      "rhymes": "-isimo"
    }
  ],
  "word": "fidelísimo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "fidēlissimus"
      },
      "expansion": "Latin fidēlissimus",
      "name": "uder"
    }
  ],
  "etymology_text": "From Latin fidēlissimus.",
  "forms": [
    {
      "form": "fidelísima",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "fidelísimos",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "fidelísimas",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "hyphenation": [
    "fi‧de‧lí‧si‧mo"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Rhymes:Spanish/isimo",
        "Rhymes:Spanish/isimo/5 syllables",
        "Spanish 5-syllable words",
        "Spanish adjectives",
        "Spanish entries with incorrect language header",
        "Spanish irregular superlative adjectives",
        "Spanish lemmas",
        "Spanish superlative adjectives",
        "Spanish terms derived from Latin",
        "Spanish terms with IPA pronunciation",
        "Spanish undefined derivations"
      ],
      "form_of": [
        {
          "word": "fiel"
        }
      ],
      "glosses": [
        "superlative degree of fiel"
      ],
      "links": [
        [
          "fiel",
          "fiel#Spanish"
        ]
      ],
      "tags": [
        "form-of",
        "superlative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fideˈlisimo/"
    },
    {
      "ipa": "[fi.ð̞eˈli.si.mo]"
    },
    {
      "rhymes": "-isimo"
    }
  ],
  "word": "fidelísimo"
}