all-time

American  

[awl-tahym] / ˈɔlˌtaɪm /

adjective

1. never surpassed.

   Production has reached an all-time high.

2. being as specified throughout its history.

   The game’s perfect balance of learning and enjoyment has earned it a place among the all-time gems of the genre.

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all-time British  

adjective

1. informal (prenominal) unsurpassed in some respect at a particular time

   an all-time record at the Olympics

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Etymology

Origin of all-time

First recorded in 1910–15

Example Sentences

Yun also noted that with "housing wealth at an all-time high, homeowners are in no rush to list their properties during the winter months."

From Barron's

Direct U.S. investment including U.S. venture-capital investment into China is at all-time lows, after declining beginning 2018, according to the Rhodium Group.

From The Wall Street Journal

His 67 international points make him Scotland's all-time highest scoring forward.

From BBC

There is heavy resistance at 6,900 after several failed attempts to break through there to new all-time highs.

From MarketWatch

At 38, the Omaha native decided to hang up his gloves at the top, undefeated and with a legacy that places him among the all-time greats.

From Los Angeles Times