One of a pair of propositions that cannot both be simultaneously true, though they may both be false.
The opposite.
Opposite; in an opposite direction; in opposition; adverse.
Opposed; contradictory; inconsistent.
Given to opposition; perverse; wayward.
Contrarily
Ready to work with another person or in a team; ready to cooperate.
Involving cooperation between individuals or parties.
Relating to a cooperative or cooperatives.
A type of company that is owned partially or wholly by its employees, customers or tenants.