adjective
- deviating from what is considered right or good; wrong, improper, etc. or corrupt, wicked, etc.; perverted
- persisting in error or fault; stubbornly contrary
- obstinately disobedient or difficult; intractable
- characterized by or resulting from obstinacy or contrariness
Origin:
ME pervers < OFr < L perversus, pp. of pervertere: see pervert