ETYM Latin indecentia unseemliness: cf. French indécence.
1. An indecent or improper act; SYN. impropriety.
2. The quality of being indecent.

ETYM From Indelicate.
1. An impolite act or expression.
2. The trait of being indelicate and offensive.

ETYM Latin obscentias: cf.French obscénité.
1. An obscene act.
2. Obscene word or phrase; SYN. vulgarism.
3. The trait of behaving in an obscene manner; SYN. lewdness, bawdiness, salaciousness, salacity.