heroics /hɪˈɹəʊ.ɪks/ noun[plural only]3 •The actions of a hero. •(US) Emergency intervention to save a patient's life.Of if we have an elderly person who is unconscious and not responding, we discuss using heroics with the family, and they often say no heroics. — 1976 •(old-fashioned) Extravagant phrases; bombast.