obscen- +

(Latin: offensive, disgusting, foul, loathsome, repulsive)

Etymology is of obscenus is unknown. There is no authoritative agreement as to the true origin of this Latin element.

Actions taken against obscenities used in public areas; such as, the various media including TV, radio, printed materials, etc.
Talk and printed materials which are not obscene.
1. Offensive to conventional standards of decency; especially, by being sexually explicit.
2. Disgusting and morally offensive; especially, through an apparent total disregard for others' rights or natural justice.
3. Inciting lustful feelings; lewd; abominable; disgusting; repulsive.
4. From 1593, with the meaning of "disgusting, foul, loathsome", and "repulsive" which was borrowed from Middle French obscene, and a learned borrowing from Latin obscenus, "offensive"; especially, to modesty.

Apparently it was originally a term for the augurs' vocabulary, meaning of "ill omen, boding ill"; also, of uncertain origin.

Unacceptable and offensive language

A profanity or a filthy word, a swear word, a curse word, a dirty word; or collectively foul, bad or strong language. Under current colloquial use, it is a word, expression, gesture, or other usage which is socially considered to be insulting, rude, vulgar, or offensive.

1. To an obscene degree.
2. In a lewd and obscene manner.
3. Inclined to, characterized by, or inciting to lust or lechery; lascivious.
4. Indecent, as language or songs; salacious.
Impure; immodest; indecent; unchaste; lewd.
1. When people or situations are obscene: "The people who made that film could be prosecuted for including so many obscenities."
2 Very offensive or sexually shocking words or statements: "He was shouting and screaming obscenities."
1. Impurity in expression or representation.
2. That quality in words or things which presents what is offensive to chastity or purity of mind; ribaldry.
3. Unchaste actions; lewdness.