Vacillation

Noun

 * 1) Indecision in speech or action.
 * 2) Changing location by moving back and forth.

Synonyms

 * hesitation, wavering
 * swing, swinging

Thesaurus
alternation, capriciousness, chance, chanciness, changeableness, dallying, demurral, dillydallying, equivocation, erraticism, erraticness, fickleness, fluctuation, frequency, frequency band, frequency spectrum, harmonic motion, hesitancy, hesitation, incalculability, incertitude, indecision, indecisiveness, indemonstrability, indeterminacy, indetermination, indeterminism, irresolution, libration, luck, nutation, oscillation, pendulation, periodicity, randomness, resonance, resonance frequency, seesawing, shifting, shilly-shally, shilly-shallying, shuffling, suspense, suspensefulness, teeter-tottering, teetering, tottering, unaccountability, uncertainness, uncertainty, uncertainty principle, undecidedness, undeterminedness, unforeseeableness, unpredictability, unprovability, unsureness, unverifiability, variation, vibrancy, vibratility, vibration, vicissitude, wavering, whimsicality, wobbling

Etymology
From vacillatio "swaying".

Translations

 * Russian: нерешительность

Anagrams

 * cavillation