counterplot UK /ˈkaʊn.tə.plɒt/US /ˈkaʊn.tɚ.plɑt/noun 1verb 1forms 3 noun1 •A plot made in opposition to another; a counterploy. verb1 •To form a plot or plan in opposition to the actions of another.Every wile had proved abortive, every plot had been counterplotted. — 1832 formscounterplotted · counterplotting · counterplots