Synonym Chooser

How does the verb vacillate differ from other similar words?

Some common synonyms of vacillate are falter, hesitate, and waver. While all these words mean "to show irresolution or uncertainty," vacillate implies prolonged hesitation from inability to reach a firm decision.

vacillated until events were out of control

When is it sensible to use falter instead of vacillate?

While the synonyms falter and vacillate are close in meaning, falter implies a wavering or stumbling and often connotes nervousness, lack of courage, or outright fear.

never once faltered during her testimony

When would hesitate be a good substitute for vacillate?

The words hesitate and vacillate are synonyms, but do differ in nuance. Specifically, hesitate implies a pause before deciding or acting or choosing.

hesitated before answering the question

When could waver be used to replace vacillate?

Although the words waver and vacillate have much in common, waver implies hesitation after seeming to decide and so connotes weakness or a retreat.

wavered in his support of the rebels

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of vacillate But the retailer has been accused by some of vacillating in diversity efforts in recent years. Kristi Miller, Twin Cities, 28 Jan. 2025 These are the months where the range of drinking demands vacillate daily. Scott Hocker, theweek, 27 Dec. 2024 In Poland, the capricious degrees and forms of oppression, reflecting Stalin’s murderous personality, fostered a vacillating, self-deceptive kind of surrender by the captive mind, imprisoned not by bars or walls but by its own failures of conviction. Robert Pinsky, The New Yorker, 30 Jan. 2025 Yet all three novelists also refuse to narrate key moments of violence from the mind of a vacillating protagonist. Max Chapnick, The Conversation, 16 Jan. 2025 See All Example Sentences for vacillate

Browse Nearby Words

Cite this Entry

“Vacillate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vacillate. Accessed 22 Mar. 2025.

More from Merriam-Webster on vacillate

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!