say it: mal-PRAK-tuhs
malpractice is a noun meaning "professional wrongdoing that results in injury or damage". It carries 2 recorded senses.
professional wrongdoing that results in injury or damage
“the widow sued his surgeon for malpractice”
a wrongful act that the actor had no right to do; improper professional conduct
“he charged them with electoral malpractices”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for malpractice come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.