"full well" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "fol wel"
      },
      "expansion": "Middle English fol wel",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "ful wel"
      },
      "expansion": "Old English ful wel",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "full",
        "3": "well",
        "nocat": "1"
      },
      "expansion": "full + well",
      "name": "af"
    },
    {
      "args": {
        "1": "non",
        "2": "all-vel",
        "t": "full well"
      },
      "expansion": "Old Norse all-vel (“full well”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle English fol wel, fulwel, from Old English ful wel, equivalent to full + well. Compare Old Norse all-vel (“full well”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "full well (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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      "examples": [
        {
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          ],
          "english": "He is so fair, without any limit; his appearance shows well when he sits on the dais.",
          "ref": "15th c., “[The Creation]”, in Wakefield Mystery Plays; Re-edited in George England, Alfred W. Pollard, editors, The Towneley Plays (Early English Text Society Extra Series; LXXI), London: […] Oxford University Press, 1897, →OCLC, page 5, lines 120–121:",
          "text": "He is so fayre, withoutten les, / he semys full well to sytt on des.",
          "translation": "He is so fair, without any limit; his appearance shows well when he sits on the dais.",
          "type": "quotation"
        },
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          "ref": "1829, Charles Burroughs, Memoirs and select papers of Horace B. Morse, Miller and Brewster, pages 83–87:",
          "text": "Besides, there is always a tendency—indeed an interest—to take on what one knows full well.",
          "type": "quotation"
        },
        {
          "text": "2006. Nadia Yassine. Full Sails Ahead. Justice and Spirituality Publications. page 2.\nHe knows full well that I don't like that club."
        },
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            ]
          ],
          "ref": "2017 November 16, Bret Stephens, “Steve Bannon Is Bad for the Jews”, in The New York Times, archived from the original on 18 Nov 2017:",
          "text": "It also means that when a right-wing Jewish group such as the ZOA chooses to overlook Bannon’s well-documented links to anti-Semitic white nationalists, it puts itself on a moral par with J.V.P. Bannon is the man who expressly called Breitbart News “the platform for the alt-right,” knowing full-well the toxic range of opinion encompassed by the term.",
          "type": "quotation"
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      ],
      "glosses": [
        "Very well"
      ],
      "id": "en-full_well-en-adv-Eug3~96C",
      "links": [
        [
          "Very",
          "very"
        ],
        [
          "well",
          "well"
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      "related": [
        {
          "word": "for a fact"
        }
      ],
      "tags": [
        "not-comparable"
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    }
  ],
  "word": "full well"
}

{
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    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "fol wel"
      },
      "expansion": "Middle English fol wel",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "ful wel"
      },
      "expansion": "Old English ful wel",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "full",
        "3": "well",
        "nocat": "1"
      },
      "expansion": "full + well",
      "name": "af"
    },
    {
      "args": {
        "1": "non",
        "2": "all-vel",
        "t": "full well"
      },
      "expansion": "Old Norse all-vel (“full well”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle English fol wel, fulwel, from Old English ful wel, equivalent to full + well. Compare Old Norse all-vel (“full well”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "full well (not comparable)",
      "name": "en-adv"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "related": [
    {
      "word": "for a fact"
    }
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          "english": "He is so fair, without any limit; his appearance shows well when he sits on the dais.",
          "ref": "15th c., “[The Creation]”, in Wakefield Mystery Plays; Re-edited in George England, Alfred W. Pollard, editors, The Towneley Plays (Early English Text Society Extra Series; LXXI), London: […] Oxford University Press, 1897, →OCLC, page 5, lines 120–121:",
          "text": "He is so fayre, withoutten les, / he semys full well to sytt on des.",
          "translation": "He is so fair, without any limit; his appearance shows well when he sits on the dais.",
          "type": "quotation"
        },
        {
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            [
              81,
              90
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          "ref": "1829, Charles Burroughs, Memoirs and select papers of Horace B. Morse, Miller and Brewster, pages 83–87:",
          "text": "Besides, there is always a tendency—indeed an interest—to take on what one knows full well.",
          "type": "quotation"
        },
        {
          "text": "2006. Nadia Yassine. Full Sails Ahead. Justice and Spirituality Publications. page 2.\nHe knows full well that I don't like that club."
        },
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            [
              291,
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            ]
          ],
          "ref": "2017 November 16, Bret Stephens, “Steve Bannon Is Bad for the Jews”, in The New York Times, archived from the original on 18 Nov 2017:",
          "text": "It also means that when a right-wing Jewish group such as the ZOA chooses to overlook Bannon’s well-documented links to anti-Semitic white nationalists, it puts itself on a moral par with J.V.P. Bannon is the man who expressly called Breitbart News “the platform for the alt-right,” knowing full-well the toxic range of opinion encompassed by the term.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Very well"
      ],
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        [
          "Very",
          "very"
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          "well",
          "well"
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        "not-comparable"
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  ],
  "word": "full well"
}