countersuit

noun

coun·​ter·​suit ˈkau̇n-tər-ˌsüt How to pronounce countersuit (audio)
variants or less commonly counter-suit
plural countersuits also counter-suits
: an opposing lawsuit
especially : a claim asserted by an opposing party in a lawsuit (such as a defendant) against the party bringing the original lawsuit (such as a plaintiff) : counterclaim
decided to file a countersuit against her accuser
The current appeal results from a patent infringement suit and countersuit between Apple Inc. ("Apple") and Samsung Electronics Co … Apple, Inc. v. Samsung Electronics Co., Ltd., 816 F. 3d 788 (2016)

Examples of countersuit in a Sentence

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.
Baldoni denied all of Lively’s allegations in a $400 million defamation countersuit that has since been tossed. Jami Ganz, New York Daily News, 19 Aug. 2025 The lawyer has said the allegations will be contested while in the meantime the companies challenged have brought their own countersuits. Alex J. Rouhandeh naveed Jamali, MSNBC Newsweek, 11 Aug. 2025 With Baldoni’s $400 million countersuit tossed out in June and Deadpool star Reynolds, the New York Times and others dropped from the matter altogether, Lively’s trial against Baldoni is set to start on March 9, 2026. Dominic Patten, Deadline, 4 Aug. 2025 This sparked a $400 million countersuit from the director, who claimed that Lively and her husband, Ryan Reynolds, orchestrated a campaign to smear him. Winston Cho, HollywoodReporter, 21 July 2025 See All Example Sentences for countersuit

Word History

First Known Use

1814, in the meaning defined above

Time Traveler
The first known use of countersuit was in 1814

Browse Nearby Words

Cite this Entry

“Countersuit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/countersuit. Accessed 26 Aug. 2025.

More from Merriam-Webster on countersuit

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!