Definition of populace noun from the Oxford Advanced Learner's Dictionary

 

populace

 noun
noun
BrE BrE//ˈpɒpjələs//
 
; NAmE NAmE//ˈpɑːpjələs//
 
(also the populace)[singular + singular or plural verb](formal)
 
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all the ordinary people of a particular country or area He had the support of large sections of the local populace. The populace at large is/are opposed to sudden change. Word Origin late 16th cent.: from French, from Italian popolaccio ‘common people’, from popolo ‘people’ + the pejorative suffix -accio.
See the Oxford Advanced American Dictionary entry: populace