"must needs" meaning in English

{
  "forms": [
    {
      "form": "must needs",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "must needs",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "2": "-",
        "3": "~",
        "4": "-"
      },
      "expansion": "must needs (third-person singular simple present must needs, no present participle, simple past must needs, no past participle)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1901, Arthur Conan Doyle, chapter X, in The Hound of the Baskervilles",
          "text": "To do so would be to descend to the level of these poor peasants who are not content with a mere fiend-dog, but must needs describe him with hell-fire shooting from his mouth and eyes.",
          "type": "quotation"
        },
        {
          "ref": "1910, H. G. Wells, The History of Mr. Polly",
          "text": "It seemed to him this must needs be a marvel.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A pleonastic intensification of must using the adverb needs, meaning “must necessarily”."
      ],
      "id": "en-must_needs-en-verb-AaiZBnu0",
      "links": [
        [
          "pleonastic",
          "pleonastic#English"
        ],
        [
          "must",
          "must#English"
        ],
        [
          "needs",
          "needs#English"
        ]
      ],
      "raw_glosses": [
        "(dated) A pleonastic intensification of must using the adverb needs, meaning “must necessarily”."
      ],
      "related": [
        {
          "word": "needs must when the devil drives"
        }
      ],
      "synonyms": [
        {
          "word": "needs must"
        }
      ],
      "tags": [
        "dated",
        "no-past-participle",
        "no-present-participle"
      ]
    }
  ],
  "word": "must needs"
}

{
  "forms": [
    {
      "form": "must needs",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "must needs",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "2": "-",
        "3": "~",
        "4": "-"
      },
      "expansion": "must needs (third-person singular simple present must needs, no present participle, simple past must needs, no past participle)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "needs must when the devil drives"
    }
  ],
  "senses": [
    {
      "categories": [
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1901, Arthur Conan Doyle, chapter X, in The Hound of the Baskervilles",
          "text": "To do so would be to descend to the level of these poor peasants who are not content with a mere fiend-dog, but must needs describe him with hell-fire shooting from his mouth and eyes.",
          "type": "quotation"
        },
        {
          "ref": "1910, H. G. Wells, The History of Mr. Polly",
          "text": "It seemed to him this must needs be a marvel.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A pleonastic intensification of must using the adverb needs, meaning “must necessarily”."
      ],
      "links": [
        [
          "pleonastic",
          "pleonastic#English"
        ],
        [
          "must",
          "must#English"
        ],
        [
          "needs",
          "needs#English"
        ]
      ],
      "raw_glosses": [
        "(dated) A pleonastic intensification of must using the adverb needs, meaning “must necessarily”."
      ],
      "tags": [
        "dated",
        "no-past-participle",
        "no-present-participle"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "needs must"
    }
  ],
  "word": "must needs"
}