1. (noun)denial the act of refusing to comply (as with a request)
"it resulted in a complete denial of his privileges"
2. (noun)denial, disaffirmation the act of asserting that something alleged is not true
3. (noun)denial (psychiatry) a defensemechanism that denies painful thoughts
4. (noun)abnegation, self-abnegation, denial, self-denial, self-renunciation renunciation of your own interests in favor of the interests of others
5. (noun)defense, defence, denial, demurrer a defendant's answer or plea denying the truth of the charges against him
"he gave evidence for the defense"