Main Entry: about–face

Pronunciation: \ə-ˈbau̇t-ˈfās\

Function: noun

Etymology: from the imperative phrase about face

Date: 1861

1 : a 180° turn to the right from the position of attention
2 : a reversal of direction
3 : a reversal of attitude, behavior, or point of view

— about–face intransitive verb