1. An improper demeanour
   - improperness 
2. The condition of being improper 
3. An indecent or improper act
   - indecency 
4. An act of undue intimacy
   - familiarity, indecorum, liberty

Derived forms: improprieties

Type of: behavior [US], behaviour [Brit, Cdn], condition, conduct, demeanor [US], demeanour [Brit, Cdn], deportment, misbehavior [US], misbehaviour [Brit, Cdn], misdeed, status

Antonym: propriety

Encyclopedia: Impropriety

• yeshiva
• yeshivah
• yester
• yesterday
• yesternight
• yesteryear
• yet
• yeti
• Yevgeni Aleksandrovich Yevtushenko
• Yevgeni Yevtushenko
• primitive
• primitive art
• primitive person
• primitively
• primitiveness
• primitivism
• primly
• primness
• primo
• primogenitor
• primogeniture
• primordial
• primordial dwarf
• primordially
• primordium