reprobate, miscreant -- (a person without moral scruples)
Overview of verb reprobate
The verb reprobate has 3 senses
reprobate -- (reject (documents) as invalid)
reprobate -- (abandon to eternal damnation; "God reprobated the unrepenting sinner")
condemn, reprobate, decry, objurgate, excoriate -- (express strong disapproval of; "We condemn the racism in South Africa"; "These ideas were reprobated")
Overview of adj reprobate
The adj reprobate has 1 sense
depraved, perverse, perverted, reprobate -- (deviating from what is considered moral or right or proper or good; "depraved criminals"; "a perverted sense of loyalty"; "the reprobate conduct of a gambling aristocrat")