All-time (adjective)

1. Having existed or been in use throughout a specified or recorded period of time.
2. Having the best or most outstanding performance or achievement in a specified category or over a specified period of time.

Origin:

Late 19th century: from all + time.

Examples:

1. The Beatles are considered one of the all-time great rock bands.
2. This book is considered one of the all-time classic novels.
3. The all-time highest-grossing movie of all time is currently 'Avengers: Endgame'.
4. Michael Jordan is considered one of the all-time greatest basketball players.
5. The all-time fastest 100 meter dash was run by Usain Bolt in 9.58 seconds.