"oppo research" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "opposition research"
      },
      "expansion": "Clipping of opposition research",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of opposition research.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "oppo research (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Politics",
          "orig": "en:Politics",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2017, Howard Blum, “How ex-spy Christopher Steele compiled his explosive Trump-Russia dossier”, in Vanity Fair:",
          "text": "And anyway, after all he had discovered, he’d grown deeply concerned by the prospect of a Trump presidency. So he found Democratic donors whose checks would keep his oppo research going strong.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Research into one's opponent's family, friends, and past, which aims to uncover activities or interests which embarrass or discredit them."
      ],
      "id": "en-oppo_research-en-noun-fgOSLuU0",
      "links": [
        [
          "politics",
          "politics"
        ]
      ],
      "raw_glosses": [
        "(US, politics, informal) Research into one's opponent's family, friends, and past, which aims to uncover activities or interests which embarrass or discredit them."
      ],
      "tags": [
        "US",
        "informal",
        "uncountable"
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "word": "oppo research"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "opposition research"
      },
      "expansion": "Clipping of opposition research",
      "name": "clipping"
    }
  ],
  "etymology_text": "Clipping of opposition research.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "oppo research (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English clippings",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Politics"
      ],
      "examples": [
        {
          "ref": "2017, Howard Blum, “How ex-spy Christopher Steele compiled his explosive Trump-Russia dossier”, in Vanity Fair:",
          "text": "And anyway, after all he had discovered, he’d grown deeply concerned by the prospect of a Trump presidency. So he found Democratic donors whose checks would keep his oppo research going strong.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Research into one's opponent's family, friends, and past, which aims to uncover activities or interests which embarrass or discredit them."
      ],
      "links": [
        [
          "politics",
          "politics"
        ]
      ],
      "raw_glosses": [
        "(US, politics, informal) Research into one's opponent's family, friends, and past, which aims to uncover activities or interests which embarrass or discredit them."
      ],
      "tags": [
        "US",
        "informal",
        "uncountable"
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "word": "oppo research"
}