"head first" meaning in English

{
  "forms": [
    {
      "form": "more head first",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most head first",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "head first (comparative more head first, superlative most head first)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "antonyms": [
        {
          "word": "feet first"
        }
      ],
      "categories": [
        {
          "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"
        }
      ],
      "examples": [
        {
          "ref": "1884 December 10, Mark Twain [pseudonym; Samuel Langhorne Clemens], chapter VII, in The Adventures of Huckleberry Finn: (Tom Sawyer’s Comrade) […], London: Chatto & Windus, […], →OCLC, page 48:",
          "text": "I shot head first off of the bank like a frog, clothes and all on, and struck out for the canoe.",
          "type": "quote"
        },
        {
          "ref": "1889, Lewis Carroll [pseudonym; Charles Lutwidge Dodgson], “L’Amie Inconnue”, in Sylvie and Bruno, London, New York, N.Y.: Macmillan and Co., →OCLC, page 25:",
          "text": "He must be able to spring from the floor to about twice his own height, gradually turning over as he rises, so as to come down again head first.",
          "type": "quote"
        }
      ],
      "glosses": [
        "With the head first or foremost."
      ],
      "id": "en-head_first-en-adv-WTxN-9z~",
      "links": [
        [
          "head",
          "head#Noun"
        ],
        [
          "first",
          "first"
        ],
        [
          "foremost",
          "foremost"
        ]
      ],
      "synonyms": [
        {
          "word": "headlong"
        },
        {
          "word": "head-first"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/hɛd.fɜːst/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/hɛd.fɝst/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "head first"
}

{
  "forms": [
    {
      "form": "more head first",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most head first",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "head first (comparative more head first, superlative most head first)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "antonyms": [
        {
          "word": "feet first"
        }
      ],
      "categories": [
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1884 December 10, Mark Twain [pseudonym; Samuel Langhorne Clemens], chapter VII, in The Adventures of Huckleberry Finn: (Tom Sawyer’s Comrade) […], London: Chatto & Windus, […], →OCLC, page 48:",
          "text": "I shot head first off of the bank like a frog, clothes and all on, and struck out for the canoe.",
          "type": "quote"
        },
        {
          "ref": "1889, Lewis Carroll [pseudonym; Charles Lutwidge Dodgson], “L’Amie Inconnue”, in Sylvie and Bruno, London, New York, N.Y.: Macmillan and Co., →OCLC, page 25:",
          "text": "He must be able to spring from the floor to about twice his own height, gradually turning over as he rises, so as to come down again head first.",
          "type": "quote"
        }
      ],
      "glosses": [
        "With the head first or foremost."
      ],
      "links": [
        [
          "head",
          "head#Noun"
        ],
        [
          "first",
          "first"
        ],
        [
          "foremost",
          "foremost"
        ]
      ],
      "synonyms": [
        {
          "word": "headlong"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/hɛd.fɜːst/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/hɛd.fɝst/",
      "tags": [
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "head-first"
    }
  ],
  "word": "head first"
}