all-time record• From 1980 to 1981 they rose a further 10 percent, to reach an all-time record.• That was 48 % up on the year before, and an all-time record.• The exposure it received this year was an all-time record.• It's an all-time recordbefitting the 8 times championjockey who once won 221 races in a season.
From Longman Business Dictionary
all-timeˈall-timeadjectiveadj
all-time low/high/peak/record the lowest or highest that something has ever been
The news caused the dollar to fall to an all-time low against the euro.