ambiversive
/æmbɪˈvɛr.sɪv/Definitions
1. adjective
Having a tendency to turn against one’s previous position or stance, often in a sudden or dramatic way.
“The politician’s ambiversive stance on the issue alienated many of his supporters.”
2. noun
A tendency to change one’s position or stance, often in a sudden or dramatic way.
“The politician’s ambiversive nature made it difficult for his team to anticipate his next move.”