Mutually exclusive.
That contradicts something, such as an argument.
That is diametrically opposed to something.
That is itself a contradiction.
Tending to contradict or oppose, contrarious.
Either of a pair of propositions, that cannot both be true or both be false.
Relating to a cooperative or cooperatives.
Ready to work with another person or in a team; ready to cooperate.
Involving cooperation between individuals or parties.
A type of company that is owned partially or wholly by its employees, customers or tenants.