vacillation

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. indecision in speech or action
• Syn:
hesitation, wavering
• Derivationally related forms:
waver (for: wavering), vacillate, hesitate (for: hesitation)
• Hypernyms:
indecision, indecisiveness, irresolution
2. changing location by moving back and forth
• Syn:
swing, swinging
• Derivationally related forms:
vacillate, swing (for: swinging), swing (for: swing)
• Hypernyms:
motion, movement, move