noun all–tim·er \ˈȯl-ˌtī-mər\

Definition of all–timer


  1. :  an exceptional person or thing that is regarded as the best or as among the best of all time … the fifth game of the National League Championship series, in San Diego, which was an all-timer by any measure … — Roger Angell

Origin and Etymology of all–timer

all-time + 2-er

First Known Use: 1936

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