malpractice /mal-prakˈtis or malˈ/

1. An evil or improper practice
2. Professional misconduct
3. Treatment falling short of reasonable skill or care
4. The illegal attempt of a person in a position of trust to benefit at the expense of others

malpractitioner /-tishˈən-ər/ noun

• classification
• classifications
• classification schedule
• classificatory
• classified
• classified advertisements
• classifier
• classifiers
• classifies
• classify
• classifying
• classily
• classiness
• classinesses
• classing
• class interval
• class intervals
• classis
• classism
• classisms
• classist
• classists
• class-leader
• class-leaders
• class legislation