The term 'most stylish' can be described by four different crossword solutions: toniest (7 letters), chicest (7 letters), swankest (8 letters), and smartest (8 letters). Toniest is an adjective meaning very fashionable or stylish, while chicest is another adjective meaning elegant and fashionable. Swankest is an informal adjective meaning very fashionable and stylish, and smartest is an adjective meaning stylishly fashionable. All four of these words describe someone or something that is fashionable and stylish.