"lockjawed" meaning in English

{
  "forms": [
    {
      "form": "more lockjawed",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most lockjawed",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lockjawed (comparative more lockjawed, superlative most lockjawed)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2007 June 4, Ben Brantley, “Bound by Blood, but Separated by a Breach in Sanity”, in New York Times:",
          "text": "A work that never quite succeeds in matching its thoughtful head to its sentimental heart, “Crazy Mary” charts a culture clash between a lockjawed, button-down matron and her distant cousin, a longtime sanitarium resident who is, to put it politely, bonkers.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Rigidly humourless."
      ],
      "id": "en-lockjawed-en-adj-~EypRtt7",
      "links": [
        [
          "Rigidly",
          "rigid"
        ],
        [
          "humourless",
          "humourless"
        ]
      ],
      "raw_glosses": [
        "(informal) Rigidly humourless."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "lockjawed"
}

{
  "forms": [
    {
      "form": "more lockjawed",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most lockjawed",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lockjawed (comparative more lockjawed, superlative most lockjawed)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2007 June 4, Ben Brantley, “Bound by Blood, but Separated by a Breach in Sanity”, in New York Times:",
          "text": "A work that never quite succeeds in matching its thoughtful head to its sentimental heart, “Crazy Mary” charts a culture clash between a lockjawed, button-down matron and her distant cousin, a longtime sanitarium resident who is, to put it politely, bonkers.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Rigidly humourless."
      ],
      "links": [
        [
          "Rigidly",
          "rigid"
        ],
        [
          "humourless",
          "humourless"
        ]
      ],
      "raw_glosses": [
        "(informal) Rigidly humourless."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "lockjawed"
}