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vacillation

/ˌvæsəˈleɪʃən/
IPA guide

Other forms: vacillations

Vacillation is when you constantly change your opinion. It also refers to swinging back and forth physically.

Both meanings of vacillation involve moving back and forth in some way. The first sense is what happens when a person is wishy-washy. If you want to go to a movie, then say you don’t, then say you do after all, that’s an example of vacillation. Politicians who flip-flop are known for their vacillation because they constantly change their opinions. Also, something that is swinging or swaying in the wind is vacillating, so the movement is a vacillation.

Definitions of vacillation
  1. noun
    indecision in speech or action
    synonyms: hesitation, wavering
    see moresee less
    type of:
    indecision, indecisiveness, irresolution
    doubt concerning two or more possible alternatives or courses of action
  2. noun
    changing location by moving back and forth
    synonyms: swing, swinging
    see moresee less
    type of:
    motion, move, movement
    the act of changing location from one place to another
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