cui bono


cui bo·no

noun \ˈkwē-ˈbō-(ˌ)nō\

Definition of CUI BONO

1
:  a principle that probable responsibility for an act or event lies with one having something to gain
2
:  usefulness or utility as a principle in estimating the value of an act or policy

Origin of CUI BONO

Latin, to whose advantage?
First Known Use: 1604

Rhymes with CUI BONO

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