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. -- Ad*ver"sa*tive*ly, adv.
Ad*ver"sa*tive, n. An adversative word. Harris.
Ad"verse (&?;), a. [OE. advers, OF. avers, advers, fr. L. adversus, p. p. advertere to turn to. See Advert.]
1. Acting against, or in a contrary direction; opposed; contrary; opposite; conflicting; as, adverse winds; an adverse party; a spirit adverse to distinctions of caste.