"Knightian" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Knight",
        "3": "ian"
      },
      "expansion": "Knight + -ian",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Knight + -ian.",
  "forms": [
    {
      "form": "more Knightian",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most Knightian",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Knightian (comparative more Knightian, superlative most Knightian)",
      "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"
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          "source": "w"
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        {
          "kind": "other",
          "name": "English terms suffixed with -ian",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "Knightian uncertainty"
        }
      ],
      "glosses": [
        "Of or relating to Frank Knight (1885–1972), American economist."
      ],
      "id": "en-Knightian-en-adj-M~NWzSf4",
      "links": [
        [
          "American",
          "American"
        ],
        [
          "economist",
          "economist"
        ]
      ]
    }
  ],
  "word": "Knightian"
}

{
  "derived": [
    {
      "word": "Knightian uncertainty"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Knight",
        "3": "ian"
      },
      "expansion": "Knight + -ian",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Knight + -ian.",
  "forms": [
    {
      "form": "more Knightian",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most Knightian",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Knightian (comparative more Knightian, superlative most Knightian)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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        "English adjectives",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English terms suffixed with -ian",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Of or relating to Frank Knight (1885–1972), American economist."
      ],
      "links": [
        [
          "American",
          "American"
        ],
        [
          "economist",
          "economist"
        ]
      ]
    }
  ],
  "word": "Knightian"
}