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

• breastplough
• breastploughs
• breast pump
• breast pumps
• breastrail
• breastrails
• breasts
• breast screening
• breaststroke
• breaststrokes
• breastsummer
• breastsummers
• breast the tape
• breast wall
• breast walls
• breast wheel
• breast wheels
• breastwork
• breastworks
• breath
• breathable
• breathalyse
• breathalysed
• breathalyser
• breathalysers