"extinctive" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "extinct",
        "3": "ive"
      },
      "expansion": "extinct + -ive",
      "name": "suffix"
    }
  ],
  "etymology_text": "extinct + -ive",
  "forms": [
    {
      "form": "more extinctive",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most extinctive",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "extinctive (comparative more extinctive, superlative most extinctive)",
      "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 -ive",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1958, Joseph Wolpe, Psychotherapy by Reciprocal Inhibition",
          "text": "Even with mild degrees of anxiety the ineffectiveness of the extinctive mechanism is striking.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Tending or serving to extinguish, or make extinct."
      ],
      "id": "en-extinctive-en-adj-hR~flFzL",
      "links": [
        [
          "extinguish",
          "extinguish"
        ],
        [
          "extinct",
          "extinct"
        ]
      ]
    }
  ],
  "word": "extinctive"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "extinct",
        "3": "ive"
      },
      "expansion": "extinct + -ive",
      "name": "suffix"
    }
  ],
  "etymology_text": "extinct + -ive",
  "forms": [
    {
      "form": "more extinctive",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most extinctive",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "extinctive (comparative more extinctive, superlative most extinctive)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -ive",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1958, Joseph Wolpe, Psychotherapy by Reciprocal Inhibition",
          "text": "Even with mild degrees of anxiety the ineffectiveness of the extinctive mechanism is striking.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Tending or serving to extinguish, or make extinct."
      ],
      "links": [
        [
          "extinguish",
          "extinguish"
        ],
        [
          "extinct",
          "extinct"
        ]
      ]
    }
  ],
  "word": "extinctive"
}