Noun: vacillation ,va-su'ley-shun
- Indecision in speech or action
"The leader's vacillation on the issue frustrated his supporters";
- hesitation, wavering
- Changing location by moving back and forth
"The vacillation of the pendulum was hypnotic";
- swing, swinging
Derived forms: vacillations
Type of: indecision, indecisiveness, irresolution, motion, move, movement