flip-flop

Verb

• reverse (a direction, attitude, or course of action)

Noun

• a backward somersault

• an electronic circuit that can assume either of two stable states

• a backless sandal held to the foot by a thong between the big toe and the second toe

• a decision to reverse an earlier decision

Related words

• Synonyms: 
  interchange , tack , switch , alternate , flip , thong , reversal , change of mind , turnabout , turnaround