From WordNet (r) 3.0 (2006):
reprobate
adj 1: 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" [syn: depraved, perverse, perverted,
reprobate]
n 1: a person without moral scruples [syn: reprobate,
miscreant]
v 1: reject (documents) as invalid [ant: approbate]
2: abandon to eternal damnation; "God reprobated the unrepenting
sinner"
3: express strong disapproval of; "We condemn the racism in
South Africa"; "These ideas were reprobated" [syn: condemn,
reprobate, decry, objurgate, excoriate]