countersuit
noun
coun·ter·suit
ˈkau̇n-tər-ˌsüt 
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)
Apple, Inc. v. Samsung Electronics Co., Ltd., 816 F. 3d 788 (2016) Examples of countersuit in a Sentence
Recent Examples on the Web
Early this year, Baldoni actually sued Lively, hubby Ryan Reynolds and others for defamation in a $400 million countersuit.
—Dominic Patten, Deadline, 22 Oct. 2025
The countersuit also alleges that Gables shared his previous lawsuit with the media and that Smith’s reputation has been damaged by the defamatory claims, resulting in the rapper being dropped from two advertising campaigns.
—Charisma Madarang, Rolling Stone, 13 Oct. 2025
His initial account of the June 2024 incident differed from hers in the recent countersuit.
—Armon Sadler, VIBE.com, 8 Oct. 2025
Polk was named as a defendant in NASCAR’s countersuit and was referenced in Friday night’s filing.
—Jordan Bianchi, New York Times, 4 Oct. 2025
See All Example Sentences for countersuit
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Dominic Patten, Deadline, 22 Oct. 2025
The countersuit also alleges that Gables shared his previous lawsuit with the media and that Smith’s reputation has been damaged by the defamatory claims, resulting in the rapper being dropped from two advertising campaigns.
—Charisma Madarang, Rolling Stone, 13 Oct. 2025
His initial account of the June 2024 incident differed from hers in the recent countersuit.
—Armon Sadler, VIBE.com, 8 Oct. 2025
Polk was named as a defendant in NASCAR’s countersuit and was referenced in Friday night’s filing.
—Jordan Bianchi, New York Times, 4 Oct. 2025
See All Example Sentences for countersuit
Cite this Entry
“Countersuit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/countersuit. Accessed 29 Oct. 2025.
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