A disownment or disavowal
An assertion of untruth.
Refusal to believe that a problem exists.
A defense mechanism involving a refusal to accept the truth of a phenomenon or prospect.
Refusal to admit responsibility for wrongdoing.
A refusal or failure to provide or grant something that is requested or desired.
Negationism, denialism of historical facts or accepted interpretation.
The negation in logic.
Approval, agreement, or instruction to begin or proceed.
Progressive; exerting leadership.
Being a score which gives the scoring team or player the lead in the game.
Dashing; energetic.