reversible

Short definition from Wiktionary

Adjective

1. 1
   Able to be reversed.
2. 2
   Able to be worn inside out.
3. 3
   Capable of proceeding in either direction.
4. 4
   Capable of returning to the original state.
5. 5
   Capable of returning to the original state without consumption of free energy and increase of entropy.
6. 6
   Providing sufficient reason for a court decision to be overturned on appeal.

Noun

1. 1
   A garment that can be worn inside out.