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

England captain and all-time record scorer Kane remains irreplaceable - as shown against Uruguay and Japan - as the main striker, while Bukayo Saka's quality and major tournament experience make him an automatic choice.

From BBC

An index of the so-called Magnificent Seven tech giants remains nearly 17% below the all-time highs it reached in late October and is at risk of slipping into bear-market territory in the coming weeks.

From Barron's

The number of students earning undergraduate astronomy degrees in the U.S. is at an all-time high, quadruple what it was two decades ago.

From The Wall Street Journal

The market’s biggest stocks are also on sale, with an index of the so-called Magnificent Seven tech giants now approaching bear market status, having fallen more than 17% from the all-time highs of late October.

From Barron's

Shares of Oracle have plunged nearly 60% from their all-time high in September of last year.

From MarketWatch