"outsider artist" meaning in English

{
  "forms": [
    {
      "form": "outsider artists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "outsider artist (plural outsider artists)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2022 March 3, Roberta Smith, “The Outsider Art Fair Returns, in Top Form”, in The New York Times, →ISSN",
          "text": "What exactly is an outsider artist — who typically works in isolation without training and very little exposure to art — when the phenomenon is increasingly embraced by major galleries and museums and its greatest talents have entered the canon?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An untrained artist who works outside of the mainstream."
      ],
      "id": "en-outsider_artist-en-noun-bixgKqL-",
      "links": [
        [
          "artist",
          "artist"
        ],
        [
          "mainstream",
          "mainstream"
        ]
      ],
      "related": [
        {
          "word": "outsider art"
        }
      ]
    }
  ],
  "word": "outsider artist"
}

{
  "forms": [
    {
      "form": "outsider artists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "outsider artist (plural outsider artists)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "outsider art"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2022 March 3, Roberta Smith, “The Outsider Art Fair Returns, in Top Form”, in The New York Times, →ISSN",
          "text": "What exactly is an outsider artist — who typically works in isolation without training and very little exposure to art — when the phenomenon is increasingly embraced by major galleries and museums and its greatest talents have entered the canon?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An untrained artist who works outside of the mainstream."
      ],
      "links": [
        [
          "artist",
          "artist"
        ],
        [
          "mainstream",
          "mainstream"
        ]
      ]
    }
  ],
  "word": "outsider artist"
}