The term 'Oh So Stylish' can be broken down into two crossword solutions: 'CHICHI' (6 letters) and 'CHIC' (4 letters). CHICHI is a Spanish slang term for someone who is fashionable, stylish, or attractive. CHIC is a French term that is used to describe something that is elegant and fashionable. Together, these two words form the phrase 'Oh So Stylish, ' which is often used to describe someone or something that is fashionable and attractive.