Ad*ver"sa*tive (#), a. [L. adversativus, fr. adversari.]
Expressing contrariety, opposition, or antithesis; as, an adversative conjunction (but, however, yet, etc. ); an adversative force.
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Ad*ver"sa*tive*ly, adv.
© Webster 1913.
Ad*ver"sa*tive, n.
An adversative word.
Harris.
© Webster 1913.