Synonyms for ADVERSARIAL: hostile, negative, antagonistic, adverse, contentious, adversary, conflicting, opposed; Antonyms of ADVERSARIAL: sympathetic, civil, friendly, social, hospitable, …

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

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

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."

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

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

(especially of political or legal systems) involving people who are in opposition and who argue against each other. Definition of adversarial adjective in Oxford Advanced Learner's Dictionary. Meaning, …

Adversarial definition: Relating to or characteristic of an adversary; involving antagonistic elements.

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

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