magic bulletEnglishOxford New American Dictionarymagic bullet /ˈmajik ˈbo͝olət, ˈmædʒɪk ˈbʊlət / ▸ noun informal a medicine or other remedy, especially an undiscovered or hypothetical one, with wonderful or highly specific properties: there's no magic bullet, and we should just try to eat as varied and well-balanced a diet as possible.