"knee-jerky" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "knee-jerk",
        "3": "y"
      },
      "expansion": "knee-jerk + -y",
      "name": "suffix"
    }
  ],
  "etymology_text": "knee-jerk + -y",
  "forms": [
    {
      "form": "more knee-jerky",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most knee-jerky",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "knee-jerky (comparative more knee-jerky, superlative most knee-jerky)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -y",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1991, Gordon Rogoff, American Theatre, volume 8, page 224",
          "text": "Could you please resolve to control your knee-jerky impulse to give every Tom, Dick, and Harry (Kupfer?) a standing ovation?",
          "type": "quotation"
        },
        {
          "ref": "2003 May 12, Paul McNamara, “Bet on the Internet winning this one”, in Network World, volume 20, number 19, page 64",
          "text": "Despite possessing a libertarian streak that's widening over time, Buzz doesn't get all knee-jerky in opposing new government regulation, even when politicians start messing with the Internet.",
          "type": "quotation"
        },
        {
          "ref": "2006, Carl H. Klaus, Letters to Kate: Life After Life, University of Iowa Press, pages 125–126",
          "text": "Yet when Carol called, my immediate reaction — “How sad” or words to that effect — was so inappropriate, so knee-jerky, that I'm embarrassed to report it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Exhibiting or characteristic of a rash or automatic response."
      ],
      "id": "en-knee-jerky-en-adj-RfRo64zx",
      "links": [
        [
          "rash",
          "rash"
        ],
        [
          "automatic",
          "automatic"
        ]
      ],
      "raw_glosses": [
        "(informal) Exhibiting or characteristic of a rash or automatic response."
      ],
      "synonyms": [
        {
          "word": "knee-jerkish"
        }
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "knee-jerky"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "knee-jerk",
        "3": "y"
      },
      "expansion": "knee-jerk + -y",
      "name": "suffix"
    }
  ],
  "etymology_text": "knee-jerk + -y",
  "forms": [
    {
      "form": "more knee-jerky",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most knee-jerky",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "knee-jerky (comparative more knee-jerky, superlative most knee-jerky)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English terms suffixed with -y",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1991, Gordon Rogoff, American Theatre, volume 8, page 224",
          "text": "Could you please resolve to control your knee-jerky impulse to give every Tom, Dick, and Harry (Kupfer?) a standing ovation?",
          "type": "quotation"
        },
        {
          "ref": "2003 May 12, Paul McNamara, “Bet on the Internet winning this one”, in Network World, volume 20, number 19, page 64",
          "text": "Despite possessing a libertarian streak that's widening over time, Buzz doesn't get all knee-jerky in opposing new government regulation, even when politicians start messing with the Internet.",
          "type": "quotation"
        },
        {
          "ref": "2006, Carl H. Klaus, Letters to Kate: Life After Life, University of Iowa Press, pages 125–126",
          "text": "Yet when Carol called, my immediate reaction — “How sad” or words to that effect — was so inappropriate, so knee-jerky, that I'm embarrassed to report it.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Exhibiting or characteristic of a rash or automatic response."
      ],
      "links": [
        [
          "rash",
          "rash"
        ],
        [
          "automatic",
          "automatic"
        ]
      ],
      "raw_glosses": [
        "(informal) Exhibiting or characteristic of a rash or automatic response."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "knee-jerkish"
    }
  ],
  "word": "knee-jerky"
}