To assert that something is not true.
To disclaim connection with, responsibility for, etc.; to refuse to acknowledge; to disown; to abjure; to disavow.
To refuse to give or grant something to someone.
To disallow or reject.
To take something away from someone; to deprive of.
To prevent from scoring.
To prove (something) to be false or incorrect.
To deny the truth or correctness of (something).