beginner Level

Vacillate

To alternate or waver between different opinions or actions; be indecisive.

Synonyms

Ditherwaveroscillatefluctuate

Antonyms

Decidepersistresolve

Practice this word

This word appears in beginner set 2

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About "Vacillate"

Vacillate is a vocabulary word commonly tested on the SAT. Understanding this word and its synonyms (Dither, waver) can help you answer Reading and Writing questions more accurately. The opposite meaning (antonyms) includes words like Decide and persist.

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