IPA: /mælˈpræktɪʃənər/
KK: /mælˈpræktɪʃənər/
A person, especially a doctor, who fails to provide proper care or makes serious mistakes in their professional work, leading to harm or injury to others.
The hospital took action against the malpractitioner for their negligence in treating patients.
Malpractitioner → It is formed from "mal-" (meaning bad or wrong) and "practitioner" (from Latin "practicus", meaning one who practices). The word refers to someone who practices in a bad or unethical manner.
Think of 'mal-' meaning bad, and 'practitioner' as someone who practices. This helps you remember that a malpractitioner is someone who practices in a bad way.