malpractice

noun

mal·​prac·​tice ˌmal-ˈprak-təs How to pronounce malpractice (audio)
Synonyms of malpracticenext
1
: a dereliction of professional duty or a failure to exercise an ordinary degree of professional skill or learning by one (such as a physician) rendering professional services which results in injury, loss, or damage
2
: an injurious, negligent, or improper practice : malfeasance

Examples of malpractice in a Sentence

a surgeon accused of malpractice Doctors need to have malpractice insurance to protect themselves against lawsuits.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One story revealed that three patients of California plastic surgeon Heidi Regenass died within a few months after liposuction and fat transfer operations, according to medical malpractice lawsuits filed in California courts. Fred Schulte, NBC news, 10 Mar. 2026 That would have been malpractice. Tyler Kepner, New York Times, 4 Mar. 2026 But then the playoffs commenced, wherein Hiller committed coaching malpractice. Andrew Knoll, Daily News, 1 Mar. 2026 Some of that failure rate is attributable to statistical malpractice or publication pressure. Deni Ellis Béchard, Scientific American, 27 Feb. 2026 See All Example Sentences for malpractice

Word History

First Known Use

1671, in the meaning defined at sense 1

Time Traveler
The first known use of malpractice was in 1671

Browse Nearby Words

Cite this Entry

“Malpractice.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/malpractice. Accessed 14 Mar. 2026.

Kids Definition

malpractice

noun
mal·​prac·​tice (ˈ)mal-ˈprak-təs How to pronounce malpractice (audio)
: violation of professional standards especially by carelessness or improper conduct

Medical Definition

malpractice

1 of 2 noun
mal·​prac·​tice (ˈ)mal-ˈprak-təs How to pronounce malpractice (audio)
: a dereliction of professional duty or a failure to exercise an accepted degree of professional skill or learning by a physician rendering professional services which results in injury, loss, or damage

malpractice

2 of 2 intransitive verb
malpracticed; malpracticing
: to engage in or commit malpractice

Legal Definition

malpractice

noun
mal·​prac·​tice ˌmal-ˈprak-təs How to pronounce malpractice (audio)
: negligence, misconduct, lack of ordinary skill, or a breach of duty in the performance of a professional service (as in medicine) resulting in injury or loss
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster