protection from harm; "sanitation is the best defense against disease"
military action or resources protecting a country against potential enemies; "they died in the defense of Stalingrad"; "they were developed for the defense program"
a defendant's answer or plea denying the truth of the charges against him; "he gave evidence for the defense"
the justification for some act or belief; "he offered a persuasive defense of the theory"
an organization of defenders that provides resistance against attack; "he joined the defense against invasion"
the defendant and his legal advisors collectively; "the defense called for a mistrial"
(sports) the team that is trying to prevent the other team from scoring; "his teams are always good on defense"
make a counterattack and return like for like, especially evil for evil; "The Empire strikes back"; "The Giants struck back and won the opener"; "The Israeli army retaliated for the Hamas bombing"
spread or diffuse through; "An atmosphere of distrust has permeated this administration"; "music penetrated the entire building"; "His campaign was riddled with accusations and personal attacks"