retaliatory
adjective uk/rɪˈtæl.i.ə.tər.i/ us/rɪˈtæl.i.ə.tɔːr.i/
报复的;回击的
A retaliatory action is one that is harmful to someone who has done something to harm you.
retaliatory measures 报复性措施
He urged people not to resort to retaliatory violence. 他力劝人们不要以暴制暴。