about-face has definitions from the field of military
1
[ verb ] turn, usually 180 degrees

Used in print

(Breni James, Nights of the Kill....)

Killpath peered through half closed lids at his reflection , thrust up his chin in a gesture of satisfaction and about-faced .

Related terms

turn

2
[ noun ] (military) act of pivoting 180 degrees, especially in a military formation

Synonyms

about_turn

Related terms

reversion

3
[ verb ] change one's mind and assume the opposite viewpoint

Related terms

rethink

4
[ noun ] a reversal in attitude or principle or point of view

Examples

: "an about-face on foreign policy"

Related terms

change undoing

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