equipoise /ˈɛkwɪpɔɪz/noun 2verb 2forms 3 noun2 •A state of balance; equilibrium.Government was unnerved, confounded, and in a manner suspended. Its equipoise was totally gone. — 1796 •A counterbalance.Perhaps that quality which existed, in spite of the equipoise against it, in Sir Howard, was fidelity in friendship. — 1838 verb2 •To act or make to act as an equipoise. •To cause to be or stay in equipoise. formsequipoised · equipoising · equipoises