debauch
Meaning: to corrupt by means of sensual pleasures
Usage: The corrupt mentor tried to debauch the young official’s principles.
nefarious
Meaning: heinously villainous
Usage: Although Dr. Meanman’s nefarious plot to melt the polar icecaps was terrifying, it was so impractical that nobody really worried about it.
odious
Meaning: instilling hatred or intense displeasure
Usage: Mark was assigned the odious task of cleaning the cat’s litter box.
profligate
Meaning: dissolute, extravagant
Usage: The profligate committee spent its entire budget on decorations before buying the supplies it actually needed.
reprobate
Meaning: evil, unprincipled
Usage: The novel’s reprobate character lied repeatedly and showed no remorse.