adversarial
adjective
ad·ver·sar·i·al
ˌad-vər-ˈser-ē-əl 
ˌad-və-,
-ˈse-rē-
: involving two people or two sides who oppose each other : of, relating to, or characteristic of an adversary or adversary procedures (see adversary entry 2 sense 2)
an adversarial relationship
an adversarial system of justice with prosecution and defense opposing each other
Examples of adversarial in a Sentence
an adversarial system of justice with prosecution and defense opposing each other
the relationship between the president and the congress should not be adversarial if anything is to get done
Recent Examples on the Web
CEOs should encourage CISOs to leverage AI agents proactively to identify and remediate risks and vulnerabilities while defending against adversarial AI in real time.
—
Hed Kovetz, Forbes.com, 13 June 2025
The share of Russians who view the U.S. as a hostile nation has dropped dramatically since 2024, and now — for the first time in decades — more Russians label other countries as adversarial, a new survey from the Levada Center found.
—Brendan Rascius, Miami Herald, 9 June 2025
Pritzker’s adversarial relationship with the Republican president could make Illinois a target for any of those federal cutbacks.
—Jeremy Gorner, Chicago Tribune, 13 May 2025
But amid escalating trade wars, adversarial geoeconomics, and market uncertainty, one crucial argument remains overlooked: the path forward demands confronting the root causes of a broken system.
—Nicholas Creel, MSNBC Newsweek, 6 May 2025
See All Example Sentences for adversarial
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Hed Kovetz, Forbes.com, 13 June 2025
The share of Russians who view the U.S. as a hostile nation has dropped dramatically since 2024, and now — for the first time in decades — more Russians label other countries as adversarial, a new survey from the Levada Center found.
—Brendan Rascius, Miami Herald, 9 June 2025
Pritzker’s adversarial relationship with the Republican president could make Illinois a target for any of those federal cutbacks.
—Jeremy Gorner, Chicago Tribune, 13 May 2025
But amid escalating trade wars, adversarial geoeconomics, and market uncertainty, one crucial argument remains overlooked: the path forward demands confronting the root causes of a broken system.
—Nicholas Creel, MSNBC Newsweek, 6 May 2025
See All Example Sentences for adversarial
Cite this Entry
“Adversarial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adversarial. Accessed 27 Jun. 2025.
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adversarial
adjective
ad·ver·sar·i·al
ˌad-vər-ˈser-ē-əl
: of, relating to, or characteristic of an adversary or adversary procedures : adversary
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