"F minus" meaning in English

{
  "forms": [
    {
      "form": "F minuses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "F minus (plural F minuses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Academic grades",
          "orig": "en:Academic grades",
          "parents": [
            "Education",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2005, Andrew Gumbel, Steal This Vote: Dirty Elections and the Rotten History of Democracy in America, page 264",
          "text": "A conservative watchdog group concerned about the integrity of the electoral process, the Free Congress Foundation, later did an audit of new voting systems around the country and deemed Georgia's to be the worst, giving it an F-minus grade.",
          "type": "quotation"
        },
        {
          "ref": "2005, Lawrence Sutin, Divine Invasions: A Life of Philip K. Dick, page 46",
          "text": "[…] he tried to cheer her up by painting a portrait of himself as the ultimate fuck-up: \"It was super hard for me in high school. I got an F minus on a geometry test.",
          "type": "quotation"
        },
        {
          "ref": "2003, Matt Haig, Brand Failures: The Truth About the 100 Biggest Branding Mistakes of All Time, page 211",
          "text": "What you've got now is a company that went from an A- plus to an F-minus. And now it's going back to a B.",
          "type": "quotation"
        },
        {
          "ref": "1990, Dean M. Sagar, Franchising in the U.S. Economy: Prospects and Problems, page 27",
          "text": "Is that an A plus for New York, or is that an F minus?",
          "type": "quotation"
        },
        {
          "ref": "1988, National Capital Area--drug Trafficking: Joint Oversight Hearing Before the Subcommittee on Fiscal Affairs and Health, page 69",
          "text": "It seems to me that this administration ought to be given an F, if we are talking about grades here, on its war on drugs, an F, in fact, an F minus.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A (generally hypothetical) grade lower than an \"F\"; a grade representing not merely a failure, but a complete and utter failure."
      ],
      "id": "en-F_minus-en-noun-1xkeCTPq",
      "links": [
        [
          "grade",
          "grade"
        ],
        [
          "F",
          "F"
        ]
      ],
      "synonyms": [
        {
          "word": "F-"
        },
        {
          "word": "F−"
        }
      ]
    }
  ],
  "word": "F minus"
}

{
  "forms": [
    {
      "form": "F minuses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "F minus (plural F minuses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "en:Academic grades"
      ],
      "examples": [
        {
          "ref": "2005, Andrew Gumbel, Steal This Vote: Dirty Elections and the Rotten History of Democracy in America, page 264",
          "text": "A conservative watchdog group concerned about the integrity of the electoral process, the Free Congress Foundation, later did an audit of new voting systems around the country and deemed Georgia's to be the worst, giving it an F-minus grade.",
          "type": "quotation"
        },
        {
          "ref": "2005, Lawrence Sutin, Divine Invasions: A Life of Philip K. Dick, page 46",
          "text": "[…] he tried to cheer her up by painting a portrait of himself as the ultimate fuck-up: \"It was super hard for me in high school. I got an F minus on a geometry test.",
          "type": "quotation"
        },
        {
          "ref": "2003, Matt Haig, Brand Failures: The Truth About the 100 Biggest Branding Mistakes of All Time, page 211",
          "text": "What you've got now is a company that went from an A- plus to an F-minus. And now it's going back to a B.",
          "type": "quotation"
        },
        {
          "ref": "1990, Dean M. Sagar, Franchising in the U.S. Economy: Prospects and Problems, page 27",
          "text": "Is that an A plus for New York, or is that an F minus?",
          "type": "quotation"
        },
        {
          "ref": "1988, National Capital Area--drug Trafficking: Joint Oversight Hearing Before the Subcommittee on Fiscal Affairs and Health, page 69",
          "text": "It seems to me that this administration ought to be given an F, if we are talking about grades here, on its war on drugs, an F, in fact, an F minus.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A (generally hypothetical) grade lower than an \"F\"; a grade representing not merely a failure, but a complete and utter failure."
      ],
      "links": [
        [
          "grade",
          "grade"
        ],
        [
          "F",
          "F"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "F-"
    },
    {
      "word": "F−"
    }
  ],
  "word": "F minus"
}