"all-time" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "all",
        "3": "time"
      },
      "expansion": "all + time",
      "name": "compound"
    }
  ],
  "etymology_text": "From all + time.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "all-time (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "Sales have reached an all-time low, so the business may have to declare bankruptcy.",
          "type": "example"
        },
        {
          "ref": "2011 October 2, Jonathan Jurejko, “Bolton 1 - 5 Chelsea”, in BBC Sport",
          "text": "And the Premier League's all-time top-goalscoring midfielder proved he has not lost the knack of being in the right place at the right time with a trio of clinical finishes.",
          "type": "quotation"
        },
        {
          "ref": "2020 December 2, Anthony Lambert, “Reimagining Railway Stations”, in Rail, page 38",
          "text": "During the 1960s and 1970s, when both the quality of architecture and the appreciation of historic buildings reached an all-time low, British Railways was notorious for replacing good station buildings and canopies with little more than bus shelters, usually in conjunction with de-staffing.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of all time; unsurpassed up to the present time."
      ],
      "id": "en-all-time-en-adj-beSFiEPN",
      "links": [
        [
          "unsurpassed",
          "unsurpassed"
        ],
        [
          "present",
          "present"
        ],
        [
          "time",
          "time"
        ]
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "of all time",
          "word": "kaikkien aikojen"
        },
        {
          "code": "hu",
          "english": "leg-...-bbja/je",
          "lang": "Hungarian",
          "sense": "of all time",
          "word": "minden idők"
        }
      ]
    }
  ],
  "word": "all-time"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "all",
        "3": "time"
      },
      "expansion": "all + time",
      "name": "compound"
    }
  ],
  "etymology_text": "From all + time.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "all-time (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English compound terms",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English terms with usage examples",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "text": "Sales have reached an all-time low, so the business may have to declare bankruptcy.",
          "type": "example"
        },
        {
          "ref": "2011 October 2, Jonathan Jurejko, “Bolton 1 - 5 Chelsea”, in BBC Sport",
          "text": "And the Premier League's all-time top-goalscoring midfielder proved he has not lost the knack of being in the right place at the right time with a trio of clinical finishes.",
          "type": "quotation"
        },
        {
          "ref": "2020 December 2, Anthony Lambert, “Reimagining Railway Stations”, in Rail, page 38",
          "text": "During the 1960s and 1970s, when both the quality of architecture and the appreciation of historic buildings reached an all-time low, British Railways was notorious for replacing good station buildings and canopies with little more than bus shelters, usually in conjunction with de-staffing.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of all time; unsurpassed up to the present time."
      ],
      "links": [
        [
          "unsurpassed",
          "unsurpassed"
        ],
        [
          "present",
          "present"
        ],
        [
          "time",
          "time"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "of all time",
      "word": "kaikkien aikojen"
    },
    {
      "code": "hu",
      "english": "leg-...-bbja/je",
      "lang": "Hungarian",
      "sense": "of all time",
      "word": "minden idők"
    }
  ],
  "word": "all-time"
}