The word in the example sentence does not match the entry word.
The U.S. swimmer bested Mark Spitz’s seven golds won at the Munich games in 1972. They notoriously bested Kendrick Lamar at the 2014 Grammy Awards in the rap album category. A common ordinary seaman bests the great Inigo Montoya with the sword? Best (comparative (nonstandard, humorous) bester, superlative (nonstandard, humorous) bestest)
Best (third-person singular simple present bests, present participle besting, simple past and past participle bested) Comparative, comparative degree – the comparative form of an adjective or adverb; “`faster’ is the comparative of the adjective `fast'”; “`less famous’ is the comparative degree of the adjective `famous'”; “`more surely’ is the Ksi Casino comparative of the adverb `surely'” Worst – (superlative of `bad’) most wanting in quality or value or condition; “the worst player on the team”; “the worst weather of the year” Well1 /wɛl/USA pronunciation adv., adj., comparative bet•ter, superlative best, interj.