about face

(noun) a complete change of opinion or decision to the opposite

Example Sentences:

A: I heard you got accepted into Medical school. When do you start?
B: Actually, I changed my mind. I’m going to go to study Philosophy instead.
A: That is an about face.

While researching Saudi Arabia for her vacation, Vanessa had an about face and decided to go to Alaska instead.

From the Blogs:

Al Gore’s About Face

Media:

Similar idioms:

1. change of heart
2. change one’s tune
3. fly in the face of
4. speak one’s mind
5. save face
6. go with one’s gut
7. cut off one’s nose to spite one’s face
8. get out of one’s face
9. lose face
10. have egg on one’s face
11. blue in the face
12. face the music
13. devil’s advocate
14. sleep on it