Britannica Dictionary definition of BEST superlative method of 1good or of 2well one  a  : better than all Many others in quality or benefit It is best to don your bestD?ch trong m?i ?ng d?ng B?t k? b?n ?ang dùng ?ng d?ng nào, ch? c?n sao chép v?n b?n r?i nh?n ?? d?chShe's not an incredible Cook dinner within the best of instances ? Elle n'est