noun
1.
Synonyms: faux pas , blooper, boner, ||boo-boo, break, gaffe, impropriety, solecism
2.
Synonyms: impropriety 1, incorrectness, indecorousness, inelegance, unbecomingness, unmeetness, unseemliness, untowardness
Antonyms: decorum
INDECORUM
Meaning of INDECORUM in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003