"rapidísimo" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "rápido",
        "3": "ísimo",
        "t1": "fast, rapid"
      },
      "expansion": "rápido (“fast, rapid”) + -ísimo",
      "name": "suffix"
    }
  ],
  "etymology_text": "From rápido (“fast, rapid”) + -ísimo.",
  "forms": [
    {
      "form": "rapidísima",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "rapidísimos",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "rapidísimas",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "hyphenation": [
    "ra‧pi‧dí‧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 terms suffixed with -ísimo",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "very fast or rapid",
          "word": "rápido"
        }
      ],
      "glosses": [
        "superlative degree of rápido: very fast or rapid"
      ],
      "id": "en-rapidísimo-es-adj-EeUp5DOk",
      "links": [
        [
          "rápido",
          "rápido#Spanish"
        ],
        [
          "fast",
          "fast"
        ],
        [
          "rapid",
          "rapid"
        ]
      ],
      "tags": [
        "form-of",
        "superlative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/rapiˈdisimo/"
    },
    {
      "ipa": "[ra.piˈð̞i.si.mo]"
    },
    {
      "rhymes": "-isimo"
    }
  ],
  "word": "rapidísimo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "rápido",
        "3": "ísimo",
        "t1": "fast, rapid"
      },
      "expansion": "rápido (“fast, rapid”) + -ísimo",
      "name": "suffix"
    }
  ],
  "etymology_text": "From rápido (“fast, rapid”) + -ísimo.",
  "forms": [
    {
      "form": "rapidísima",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "rapidísimos",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "rapidísimas",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "hyphenation": [
    "ra‧pi‧dí‧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 lemmas",
        "Spanish superlative adjectives",
        "Spanish terms suffixed with -ísimo",
        "Spanish terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "extra": "very fast or rapid",
          "word": "rápido"
        }
      ],
      "glosses": [
        "superlative degree of rápido: very fast or rapid"
      ],
      "links": [
        [
          "rápido",
          "rápido#Spanish"
        ],
        [
          "fast",
          "fast"
        ],
        [
          "rapid",
          "rapid"
        ]
      ],
      "tags": [
        "form-of",
        "superlative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/rapiˈdisimo/"
    },
    {
      "ipa": "[ra.piˈð̞i.si.mo]"
    },
    {
      "rhymes": "-isimo"
    }
  ],
  "word": "rapidísimo"
}