Main Entry: im·puis·sance

Pronunciation: \(ˌ)im-ˈpwi-s^ən(t)s, (ˌ)im-ˈpyü-ə-sən(t)s; ˌim-pyü-ˈi-s^ən(t)s\

Function: noun

Etymology: Middle English, from Middle French, from in- + puissance puissance, power

Date: 15th century

: weakness, powerlessness