WordWeb Online

1. Marked by a disposition to oppose and contradict
   "took perverse satisfaction in foiling her plans"
    
2. Resistant to guidance or discipline
   "a perverse mood"
   - contrary, obstinate, wayward
    
3. Deviating from what is considered moral or right or proper or good
   "perverse criminals"
   - depraved, perverted, reprobate

Derived forms: perverser, perversest

See also: corrupt, disobedient, negative, perversely, perverseness

Encyclopedia: Perverse