"pretentative" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "tentative"
      },
      "expansion": "pre- + tentative",
      "name": "prefix"
    },
    {
      "args": {
        "1": "la",
        "2": "praetentare"
      },
      "expansion": "Latin praetentare",
      "name": "cog"
    }
  ],
  "etymology_text": "pre- + tentative: compare Latin praetentare to try beforehand.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "pretentative (not comparable)",
      "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 prefixed with pre-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "c. 1620, Henry Wotton, a letter\nThis is but an exploratory, and pretentative purpose between us",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Fitted for trial beforehand; experimental."
      ],
      "id": "en-pretentative-en-adj-2e5tn5it",
      "links": [
        [
          "trial",
          "trial"
        ],
        [
          "beforehand",
          "beforehand"
        ],
        [
          "experimental",
          "experimental"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "pretentative"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "tentative"
      },
      "expansion": "pre- + tentative",
      "name": "prefix"
    },
    {
      "args": {
        "1": "la",
        "2": "praetentare"
      },
      "expansion": "Latin praetentare",
      "name": "cog"
    }
  ],
  "etymology_text": "pre- + tentative: compare Latin praetentare to try beforehand.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "pretentative (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with pre-",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "text": "c. 1620, Henry Wotton, a letter\nThis is but an exploratory, and pretentative purpose between us",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Fitted for trial beforehand; experimental."
      ],
      "links": [
        [
          "trial",
          "trial"
        ],
        [
          "beforehand",
          "beforehand"
        ],
        [
          "experimental",
          "experimental"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "pretentative"
}