безнравствен означава в английски

incontinent▼(lacking moral or sexual restraint)
adjective
[UK: ɪnˈk.ɒn.tɪ.nənt] [US: ˌɪnˈk.ɑːn.tə.nənt]

libertine▼(loose in morals)
adjective
[UK: ˈlɪ.bə.tiːn] [US: ˈlɪ.bər.ˌtin]

rotten▼(cruel, mean or immoral)
adjective
[UK: ˈrɒt.n̩] [US: ˈrɑːt.n̩]