adj opposite.
2. adverse ·vt to oppose; to resist.
3. adverse ·adj acting against, or in a contrary direction; opposed; contrary; opposite; conflicting; as, adverse winds; an adverse party; a spirit adverse to distinctions of caste.
4. adverse ·adj in hostile opposition to; unfavorable; unpropitious; contrary to one's wishes; unfortunate; calamitous; afflictive; hurtful; as, adverse fates, adverse circumstances, things adverse.