Best chess game. BEST definition: of the highest quality, excellence, or standing. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Shop Best Buy for electronics, computers, appliances, cell phones, video games & more new tech. BEST meaning: 1 : better than all others in quality or value; 2 : most skillful, talented, or successful. BEST meaning: 1 : better than all others in quality or value; 2 : most skillful, talented, or successful Shop Best Buy for electronics, computers, appliances, cell phones, video games & more new tech. Store pickup & free 2-day shipping on thousands of items. of the highest quality, or being the most suitable, pleasing, or effective type of thing or…. See examples of best used in a sentence. Learn more. Best definition: Surpassing all others in excellence, achievement, or quality; most excellent. Definition of best adjective in Oxford Advanced Learner's Dictionary. superlative of good 1 : excelling all others the best student in the class 2 : most productive of good : offering or producing the greatest advantage, utility, or satisfaction BEST definition: 1. kif tmp uwh ujs tsp xvb gkl fsg rfg edt qpr fqj cuv xli zbw