1. An act or behavior that is offensive, improper, or morally inappropriate, often with sexual connotations
He was arrested for committing an indecent act in public.
Ele foi preso por cometer um ato indecente em público.
2. A legal term referring to exposure of genitals or lewd conduct in a public place
The man was charged with indecent exposure, a form of indecent act.
O homem foi acusado de exposição indecente, uma forma de ato indecente.