About-face in a Sentence 

Definition of About-face  

the act of turning and facing an opposite direction

Examples of About-face in a sentence

In a stunning about-face, the career criminal turned his life around and got a legal job.  
At the signal, the soldiers did an about-face and turned in the opposite direction of the way they were standing.  
The failing student must do an about-face and get serious on his studies if he wants to pass to the next grade.  

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