"bests" in the noun sense
the supreme effort one can make
"they did their best"
2. best, topper
the person who is most outstanding or excellent someone who tops all others
"he could beat the best of them"
3. Best, C. H. Best, Charles Herbert Best
Canadian physiologist (born in the United States) who assisted F. G. Banting in research leading to the discovery of insulin (1899-1978)
"bests" in the verb sense
1. outdo, outflank, trump, best, scoop
get the better of
"the goal was to best the competition"
Source: WordNet® (An amazing lexical database of English)
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