Denial

The act of gainsaying, refusing, or disowning; negation; -- the contrary of affirmation.

A refusal to admit the truth of a statement, charge, imputation, etc.; assertion of the untruth of a thing stated or maintained; a contradiction.

A refusal to grant; rejection of a request.

A refusal to acknowledge; disclaimer of connection with; disavowal; -- the contrary of confession; as, the denial of a fault charged on one; a denial of God.

(psychiatry) a defense mechanism that denies painful thoughts

a defendant's answer or plea denying the truth of the charges against them; "he gave evidence for the defense"

the act of refusing to comply (as with a request); "it resulted in a complete denial of his privileges"