impropriety

Nouns

(n) an improper demeanor improperness,
(n) the condition of being improper
(n) an indecent or improper act indecency,
(n) an act of undue intimacy indecorum, familiarity, liberty,

Synonyms

improperness indecency indecorum familiarity liberty

Antonyms

correctitude properness propriety

Words of close approximity