| vacillant | (adjective) uncertain in purpose or action | Synonyms: vacillating, wavering |
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| vacillate | (verb) move or sway in a rising and falling or wavelike pattern | Synonyms: fluctuate, waver |
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| (verb) be undecided about something; waver between conflicting positions or courses of action | Synonyms: hover, oscillate, vibrate |
| vacillating | (adjective) uncertain in purpose or action | Synonyms: vacillant, wavering |
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| vacillation | (noun) changing location by moving back and forth | Synonyms: swing, swinging |
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| (noun) indecision in speech or action | Synonyms: hesitation, wavering |
| vacillator | (noun) one who hesitates (usually out of fear) | Synonyms: hesitater, hesitator, waverer |
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