1. (noun)defense mechanism, defense reaction, defence mechanism, defence reaction, defense, defence (psychiatry) an unconsciousprocess that tries to reduce the anxiety associated with instinctive desires
2. (noun)defense, defence, defending team (sports) the team that is trying to prevent the other team from scoring "his teams are always good on defense"
3. (noun)defense, defence, defense team, defense lawyers the defendant and his legal advisors collectively "the defense called for a mistrial"
4. (noun)defense, defence, defense force, defence force an organization of defenders that provides resistance against attack "he joined the defense against invasion"
5. (noun)refutation, defense, defence the speech act of answering an attack on your assertions "his refutation of the charges was short and persuasive"; "in defense he said the other man started it"
6. (noun)defense, defence, vindication the justification for some act or belief "he offered a persuasive defense of the theory"
7. (noun)defensive structure, defense, defence a structure used to defend against attack "the artillery battered down the defenses"
8. (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"
9. (noun)defense, defence, defensive measure (military) militaryaction or resources protecting a country against potential enemies "they died in the defense of Stalingrad"; "they were developed for the defense program"
10. (noun)defense, defence protection from harm "sanitation is the best defense against disease"
11. (noun)defense, defence the act of defending someone or something against attack or injury "a good boxer needs a good defense"; "defense against hurricanes is an urgent problem"