"underperformance" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "under",
        "3": "performance"
      },
      "expansion": "under- + performance",
      "name": "prefix"
    }
  ],
  "etymology_text": "under- + performance",
  "forms": [
    {
      "form": "underperformances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "underperformance (usually uncountable, plural underperformances)",
      "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 terms prefixed with under-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009 January 29, George Lekakis, “NAB Star is fading”, in Herald Sun",
          "text": "The fund manager has been plagued by underperformance and was forced to freeze redemptions on some of its funds at the height of the financial crisis last November.",
          "type": "quotation"
        },
        {
          "ref": "2019 November 20, “National Rail Conference”, in Rail, page 15",
          "text": "Haines added: \"A critical factor in underperformance is timetabling, and I know we all talk about our determination never to repeat the disruption of May 2018. I'm therefore pleased that timetabling is one of those areas where, as a industry, we're coming together to try and fix a problem.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The state or quality of underperforming"
      ],
      "id": "en-underperformance-en-noun-IRivPuUA",
      "links": [
        [
          "underperform",
          "underperform"
        ]
      ],
      "related": [
        {
          "word": "underperform"
        },
        {
          "word": "overperformance"
        }
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "underperformance"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "under",
        "3": "performance"
      },
      "expansion": "under- + performance",
      "name": "prefix"
    }
  ],
  "etymology_text": "under- + performance",
  "forms": [
    {
      "form": "underperformances",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "underperformance (usually uncountable, plural underperformances)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "underperform"
    },
    {
      "word": "overperformance"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with under-",
        "English terms with quotations",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "ref": "2009 January 29, George Lekakis, “NAB Star is fading”, in Herald Sun",
          "text": "The fund manager has been plagued by underperformance and was forced to freeze redemptions on some of its funds at the height of the financial crisis last November.",
          "type": "quotation"
        },
        {
          "ref": "2019 November 20, “National Rail Conference”, in Rail, page 15",
          "text": "Haines added: \"A critical factor in underperformance is timetabling, and I know we all talk about our determination never to repeat the disruption of May 2018. I'm therefore pleased that timetabling is one of those areas where, as a industry, we're coming together to try and fix a problem.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The state or quality of underperforming"
      ],
      "links": [
        [
          "underperform",
          "underperform"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "underperformance"
}