DictionaryobsceneOffensive or indecent
adjective

obscene

ub-SEEN/əbˈsiːn/

Deeply offensive to accepted standards of decency.

One man makes an obscene gesture, and the other recoils.

A young adult man makes an unmistakably vulgar middle-finger gesture toward another young adult man, who recoils with an offended expression and raises a palm in objection.
Etymology

Latin obscenus originally meant “ill-omened” and also meant “offensive,” especially to modesty. That modesty sense underlies the modern sexual or indecent offensiveness; the word’s deeper origin is unknown.

In context

You Cant Make This Law Up1:21
material that lacks serious artistic, political, or scientific value and depicts sexual conduct in a way that offends most people can be considered obscene.
How Do Profanity Regulations Differ From Obscenity Laws? - You Cant Make This Law Up

More examples

  • The comedian's obscene jokes make several audience members uncomfortable.
  • She reports the obscene messages to the police.
  • They charge an obscene amount for a bottle of water.

Forms

obscene

obscenity noun — Language or behavior that violates decency.

obscenely adverb — In an offensive or outrageously excessive way.

Similar words

vulgar
Crude or lacking refinement, but not necessarily deeply offensive.
indecent
Violates standards of propriety, especially concerning sex or nudity.
offensive
Causes anger or disgust, not necessarily by violating decency.