v. To posit or assume as a contradictory; negative or deny
The Century Dictionary and Cyclopedia
To posit or assume as a contradictory; negative or deny.
n. A simplified spelling of opposite.
Word Usage
"He has very little time left to decide if he is going to please the far left of his party and anger a majority of voters or do just the opposit. the homeless, the sick, the broke can wait"