foppery

/ˈfɑpəri/
noun
  1. Behavior or dress that is overly concerned with fashion, appearance, and elegance in a showy or silly way.
    • His constant foppery made him the target of jokes at the office.
    • The museum exhibit displayed the foppery of 18th-century European aristocrats.
    • She dismissed his expensive new suit as mere foppery, not real style.
  2. A foolish or vain action or thing, especially one related to fashion or appearance.
    • He collected silk scarves and canes, each foppery more extravagant than the last.
    • Buying that ridiculous hat was just another foppery he couldn't resist.
    • The novel satirizes the fopperies of high society in the 1920s.