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Definition of: vacillate
(vas′ə·lāt) v.i. ·lat·ed, ·lat·ing
1. To sway one way and the other; totter; waver.
2. To fluctuate.
3. To waver in mind; be irresolute. See synonyms under FLUCTUATE. [<L vacillatus, pp. of vacillare waver]
—vac′il·la′tion noun
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