Ad·verse 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. “Calpe's adverse height.”
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. --Southey.
Adverse possession Law, a possession of real property avowedly contrary to some claim of title in another person.
Syn: -- Averse; reluctant; unwilling. See Averse.