all-tim·​er ˈȯl-ˌtī-mər How to pronounce all-timer (audio)
: 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

Example Sentences

Recent Examples on the Web This one will have hurt in a more pointed way — Keegan’s excellence came in an all-timer in the Big Ten tournament semifinal last year. Zach Osterman, The Indianapolis Star, 1 Mar. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'all-timer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


all-time + -er entry 2

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of all-timer was in 1936

Dictionary Entries Near all-timer

Cite this Entry

“All-timer.” Dictionary, Merriam-Webster, Accessed 31 Mar. 2023.

Last Updated: - Updated example sentences
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