Adverse

Ad·verse

Adverse

a.
  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.
  2. Opposite.
  3. In hostile opposition to; unfavorable; unpropitious; contrary to one's wishes; unfortunate; calamitous; afflictive; hurtful; as, adverse fates, adverse circumstances, things adverse.
    Happy were it for us all if we bore prosperity as well and wisely as we endure an adverse fortune.

Phrases & Compounds
Adverse possession
a possession of real property avowedly contrary to some claim of title in another person.

Adverse

v. t.
  1. To oppose; to resist. [Obs.]