Definition of volte-face noun from the Oxford Advanced Learner's Dictionary

 

volte-face

 noun
noun
BrE BrE//ˌvɒlt ˈfɑːs//
 
; NAmE NAmE//ˌvɔːlt ˈfɑːs//
 
[singular](formal)
 
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a complete change of opinion or plan synonym about-turn This represents a volte-face in government thinking. We were thrown into confusion by his volte-face. Word Origin early 19th cent.: from French, from Italian voltafaccia, based on Latin volvere ‘to roll’ + facies ‘appearance, face’.
See the Oxford Advanced American Dictionary entry: volte-face