n.
1.act of pivoting 180 degrees, especially in a military formation
2.a reversal in attitude or principle or point of view about-face v.
1.turn, usually 180 degrees
2.change one's mind and assume the opposite viewpoint
Idiom of the Day
thumbs up on (someone or something)
to be in favor of someone or something
Everybody voted thumbs up for a new holiday in the winter.