about-face

US /əˈbaʊt.feɪs/
UK /əˈbaʊt.feɪs/
"about-face" picture
1.

a complete change of opinion or policy

:
The government did an about-face on its economic policy.
Her sudden about-face on the issue surprised everyone.
1.

to make a complete change of opinion or policy

:
After public outcry, the company decided to about-face on its controversial decision.
He had to about-face on his promise due to unforeseen circumstances.