SINFUL

adj. corrupt, evil, wicked, bad, wrong, wrongful, iniquitous, vile, base, profane, immoral, profligate, depraved, criminal, sacrilegious, ungodly, unholy, demonic, irreligious, impious, irreverent Anything that you like as much as you like chocolate must be sinful They would never condone such sinful behaviour in our church.