clientelismPronunciation: /ˌkliːɒnˈtɛlɪz(ə)m/ (also clientism /ˈklʌɪəntɪz(ə)m/)Definition of clientelism noun [mass noun] a social order which depends on relations of patronage: the political culture is steeped in corruption and clientelismDerivatives clientelistic adjective Origin: 1970s: from Italian clientelismo 'patronage system'clientelism in other Oxford dictionaries Definition of clientelism in the US English dictionary