"behind the curve" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "behind the curve",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "antonyms": [
        {
          "word": "ahead of the curve"
        }
      ],
      "categories": [],
      "examples": [
        {
          "ref": "1997 March 9, Paul Krugman, “Does Getting Old Cost Society Too Much?”, in The New York Times, →ISSN",
          "text": "But in his 1996 novel, Holy Fire, [Bruce] Sterling imagines a rather different future: a world ruled by an all-powerful gerontocracy, which appropriates most of the world's wealth to pay for ever more costly life-extension techniques. […] When the novel first came out, it seemed that Sterling was behind the curve.",
          "type": "quotation"
        },
        {
          "ref": "2010 February 4, Alan Ohnsman with Yuki Hagiwara, “Toyota Plans Media Blitz as Stock Loses $21 Billion”, in BusinessWeek",
          "text": "Toyota used to be a company with foresight, always ready to take action, but now they have fallen very far behind the curve.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Out of date."
      ],
      "id": "en-behind_the_curve-en-prep_phrase-tnFboFqH",
      "links": [
        [
          "Out of date",
          "out of date"
        ]
      ],
      "translations": [
        {
          "_dis1": "99 1",
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "out of date",
          "word": "ikke henge med i svingene"
        },
        {
          "_dis1": "99 1",
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "out of date",
          "word": "passé"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Not making the progress required."
      ],
      "id": "en-behind_the_curve-en-prep_phrase-ut4tedYn",
      "links": [
        [
          "military",
          "military"
        ]
      ],
      "raw_glosses": [
        "(US, military) Not making the progress required."
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "behind the curve"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English prepositional phrases"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase"
      },
      "expansion": "behind the curve",
      "name": "head"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "antonyms": [
        {
          "word": "ahead of the curve"
        }
      ],
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1997 March 9, Paul Krugman, “Does Getting Old Cost Society Too Much?”, in The New York Times, →ISSN",
          "text": "But in his 1996 novel, Holy Fire, [Bruce] Sterling imagines a rather different future: a world ruled by an all-powerful gerontocracy, which appropriates most of the world's wealth to pay for ever more costly life-extension techniques. […] When the novel first came out, it seemed that Sterling was behind the curve.",
          "type": "quotation"
        },
        {
          "ref": "2010 February 4, Alan Ohnsman with Yuki Hagiwara, “Toyota Plans Media Blitz as Stock Loses $21 Billion”, in BusinessWeek",
          "text": "Toyota used to be a company with foresight, always ready to take action, but now they have fallen very far behind the curve.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Out of date."
      ],
      "links": [
        [
          "Out of date",
          "out of date"
        ]
      ]
    },
    {
      "categories": [
        "American English",
        "en:Military"
      ],
      "glosses": [
        "Not making the progress required."
      ],
      "links": [
        [
          "military",
          "military"
        ]
      ],
      "raw_glosses": [
        "(US, military) Not making the progress required."
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "translations": [
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "out of date",
      "word": "ikke henge med i svingene"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "out of date",
      "word": "passé"
    }
  ],
  "word": "behind the curve"
}