"change-up" meaning in English

{
  "coordinate_terms": [
    {
      "_dis1": "0 0",
      "word": "curveball"
    },
    {
      "_dis1": "0 0",
      "word": "slider"
    },
    {
      "_dis1": "0 0",
      "word": "cut fastball"
    },
    {
      "_dis1": "0 0",
      "word": "two-seam fastball"
    },
    {
      "_dis1": "0 0",
      "word": "split-finger fastball"
    },
    {
      "_dis1": "0 0",
      "word": "sinker"
    },
    {
      "_dis1": "0 0",
      "word": "screwball"
    },
    {
      "_dis1": "0 0",
      "word": "knuckleball"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "change up"
      },
      "expansion": "Deverbal from change up",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal from change up.",
  "forms": [
    {
      "form": "change-ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "change-up (plural change-ups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Baseball",
          "orig": "en:Baseball",
          "parents": [
            "Ball games",
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "85 15",
          "kind": "other",
          "name": "English deverbals",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "95 5",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "93 7",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "94 6",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "The pitcher had a devastating change-up.",
          "type": "example"
        }
      ],
      "glosses": [
        "A pitch thrown with the arm motion of a fastball, but which travels at a much slower velocity because it is released without the fingers adding power to the delivery."
      ],
      "id": "en-change-up-en-noun-xQlPOQ8d",
      "links": [
        [
          "baseball",
          "baseball"
        ],
        [
          "pitch",
          "pitch"
        ],
        [
          "fastball",
          "fastball"
        ]
      ],
      "raw_glosses": [
        "(baseball) A pitch thrown with the arm motion of a fastball, but which travels at a much slower velocity because it is released without the fingers adding power to the delivery."
      ],
      "synonyms": [
        {
          "_dis1": "95 5",
          "sense": "slower than expected baseball pitch",
          "word": "change of pace"
        }
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "This RFQ is a real change-up.",
          "type": "example"
        }
      ],
      "glosses": [
        "An unexpected event."
      ],
      "id": "en-change-up-en-noun-7vkHfSNC",
      "raw_glosses": [
        "(by extension) An unexpected event."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtʃeɪndʒʌp/"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "changeup"
    }
  ],
  "wikipedia": [
    "change-up"
  ],
  "word": "change-up"
}

{
  "categories": [
    "English countable nouns",
    "English deverbals",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English phrasal nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "coordinate_terms": [
    {
      "word": "curveball"
    },
    {
      "word": "slider"
    },
    {
      "word": "cut fastball"
    },
    {
      "word": "two-seam fastball"
    },
    {
      "word": "split-finger fastball"
    },
    {
      "word": "sinker"
    },
    {
      "word": "screwball"
    },
    {
      "word": "knuckleball"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "change up"
      },
      "expansion": "Deverbal from change up",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal from change up.",
  "forms": [
    {
      "form": "change-ups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "change-up (plural change-ups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with usage examples",
        "en:Baseball"
      ],
      "examples": [
        {
          "text": "The pitcher had a devastating change-up.",
          "type": "example"
        }
      ],
      "glosses": [
        "A pitch thrown with the arm motion of a fastball, but which travels at a much slower velocity because it is released without the fingers adding power to the delivery."
      ],
      "links": [
        [
          "baseball",
          "baseball"
        ],
        [
          "pitch",
          "pitch"
        ],
        [
          "fastball",
          "fastball"
        ]
      ],
      "raw_glosses": [
        "(baseball) A pitch thrown with the arm motion of a fastball, but which travels at a much slower velocity because it is released without the fingers adding power to the delivery."
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    },
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "This RFQ is a real change-up.",
          "type": "example"
        }
      ],
      "glosses": [
        "An unexpected event."
      ],
      "raw_glosses": [
        "(by extension) An unexpected event."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtʃeɪndʒʌp/"
    }
  ],
  "synonyms": [
    {
      "sense": "slower than expected baseball pitch",
      "word": "change of pace"
    },
    {
      "word": "changeup"
    }
  ],
  "wikipedia": [
    "change-up"
  ],
  "word": "change-up"
}