Shift
Shift verb - To pass from one form, state, or level to another.
Usage example: she watched the aurora in fascination as its colors shifted from green to blue
Vacillate is a synonym for shift in switch topic. In some cases you can use "Vacillate" instead a verb "Shift", when it comes to topics like waver.
Vacillate
Vacillate verb - To show uncertainty about the right course of action.
Shift is a synonym for vacillate in activity topic. Sometimes you can use "Shift" instead a verb "Vacillate", if it concerns topics such as waver.
Nearby Words: vacillating, vacillation
Mutual synonyms
Cite this Source
Vacillate and Shift. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/shift/vacillate
Shift & Vacillate. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/shift/vacillate>.
Vacillate or Shift. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/shift/vacillate.
Google Ngram Viewer shows how "shift" and "vacillate" have occurred on timeline