commonplace, fashionable, passe, vogue, ubiquitous, au courant, voguish, norm, verboten, infra dig, staple, obligatory, gauche, trendy, dernier cri, modish, omnipresent, chockablock, haute, froufrou, anachronism, prevalent, anathema, fad, furbelows, glorified, dressiest, trilbies, chic, superfluous, ostentatious, sine qua non, du jour, nowadays, hipster, conspicuous, byword, synonymous, rarity, buzzword, ritualised, mockable, uncool, chichi, yuppie, overdressed, highfalutin, unfashionable, bovver boots, hifalutin, faille, knee breeches, oxymoron, sophisticates, naff, conspicuous consumption, proliferating, unladylike, haughtiest, tiresome, unstylish, lingua franca, clubbish, overdecorated, sniffy, ersatz, unheard, accoutrement, banal, fancy, monocles, dirndls, spangles, pukka, nouveau, pricey, glamorous, inelegant, yore, homogenised, snootiest, poseurs, hippest, snobs, exhibitionistic, poncey, stetsons, ubiquity, bane, tailcoats, holy grail, affectation, ruritanian, decorous, purveyance, inescapable, hoi polloi, frocks, interminable, outre, knickerbockers, garish

obligatory