The meaning of ADVERSARIAL is involving two people or two sides who oppose each other : of, relating to, or characteristic of an adversary or adversary procedures.

Opposing & against (Definition of adversarial from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Adversarial definition: pertaining to or characterized by antagonism and conflict. See examples of ADVERSARIAL used in a sentence.

Relating to or characteristic of an adversary; involving antagonistic elements: "Some speakers fall almost willingly into an adversarial relationship with the audience" (Don Pfarrer).

Definition of adversarial adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

adversarial, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Aug 4, 2025 · adversarial (comparative more adversarial, superlative most adversarial) Characteristic of, or in the manner of, an adversary; combative, hostile, opposed. quotations

If you describe something as adversarial, you mean that it involves two or more people or organizations who are opposing each other.

Being adversarial means that each side is antagonistic, sharply opposed to the other, or locked into a deeply divided rivalry. In fact, this adjective is sometimes used simply to mean "hostile."

adversarial (adjective) adversarial /ˌædvɚ ˈ serijəl/ adjective Britannica Dictionary definition of ADVERSARIAL [more adversarial; most adversarial] formal : involving two people or two sides …