(ˌ)imˌplakəˈbīləd.ē, əm-, -lətē, -i also -plāk- noun
Etymology: Late Latin implacabilitas, from Latin implacabilis + -itas -ity
: the quality or state of being implacable
the implacability of his resentments — Jane Austen
the implacability of a Greek tragedy — Arthur Schlesinger b. 1917