a·bout-face (ə-bout'fās')
n.

1. 1. The act of pivoting to face in the opposite direction from the original, especially in a military formation.
   2. A military command to turn clockwise 180°.
2. A total change of attitude or viewpoint.

intr.v., -faced, -fac·ing, -fac·es.
To reverse direction.

---

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

---