oppositive
/ˈɒpˌpəzɪt/Definitions
1. noun
a person or thing that is exactly or almost exactly like another in quantity or degree.
“The company’s opposite is a firm with similar goals and values.”
2. adjective
situated or occurring on the opposite side of something.
“The opposite side of the mountain offered a breathtaking view.”
3. verb
to be or become opposite in direction, position, or relationship.
“The train opposite the platform was ready to depart.”