posh 
/ˈpɑ:ʃ/ adjective
posh·er; posh·est /ˈpɑ:ʃ/ adjective [also more posh; most posh] informal 1 : very attractive, expensive, and popular
▪ They live in a posh neighborhood. ▪ I stayed at a posh [=elegant, luxurious] hotel. 2 Brit : typical of people who have high social status
▪ a posh accent ▪ The family is very posh.
▪ They live in a posh neighborhood. ▪ I stayed at a posh [=elegant, luxurious] hotel.
▪ a posh accent ▪ The family is very posh.
— posh adverb, Brit
▪ They laugh when I try to talk posh.
▪ They laugh when I try to talk posh.
