"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": [
        {
          "kind": "other",
          "name": "English compound words",
          "parents": [
            "Compound words",
            "Terms by etymology"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "October 2, 2011, 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."
        },
        {
          "ref": "December 2 2020, 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."
        }
      ],
      "glosses": [
        "Of all time; unsurpassed up to the present time."
      ],
      "id": "all-time-adj",
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "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",
  "related": [
    {
      "word": "of all time"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English compound words",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "October 2, 2011, 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."
        },
        {
          "ref": "December 2 2020, 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."
        }
      ],
      "glosses": [
        "Of all time; unsurpassed up to the present time."
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "all-time"
}