"too late" meaning in English

{
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      "expansion": "too late",
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  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
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          "name": "English entries with incorrect language header",
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      "examples": [
        {
          "text": "It was too late to turn back.",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to indicate that something is ineffective or useless because it happens after the best time for it."
      ],
      "id": "en-too_late-en-phrase-xYN4ZIPZ",
      "raw_glosses": [
        "(idiomatic) Used to indicate that something is ineffective or useless because it happens after the best time for it."
      ],
      "related": [
        {
          "word": "last minute"
        },
        {
          "word": "too little, too late"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "too late"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
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      "expansion": "too late",
      "name": "head"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "related": [
    {
      "word": "last minute"
    },
    {
      "word": "too little, too late"
    }
  ],
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      "examples": [
        {
          "text": "It was too late to turn back.",
          "type": "example"
        }
      ],
      "glosses": [
        "Used to indicate that something is ineffective or useless because it happens after the best time for it."
      ],
      "raw_glosses": [
        "(idiomatic) Used to indicate that something is ineffective or useless because it happens after the best time for it."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "word": "too late"
}