180

noun3

1. •
   An instance of spinning 180 degrees, so that one is facing in the opposite direction.

   • He did a 180 off the diving board.
2. •
   (figurative) A complete change of direction or opinion.

   • She used to like turnips, but she did a 180 and now hates them.
3. •
   (figurative) The exact opposite.

   • The friendly welcome was a 180 from what she had been expecting.