- iniquitous, sinful, ungodly - characterized by iniquity; wicked because it is believed to be a sin; "iniquitous deeds"; "he said it was sinful to wear lipstick"; "ungodly acts"
Antonym: virtuous (indirect, via wicked)
- sinful, unholy, wicked - having committed unrighteous acts; "a sinful person"
Antonym: righteous (indirect, via unrighteous)