V v


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [vas-uh-leyt]
    • /ˈvæs əˌleɪt/
    • /ˈvæs.ɪ.leɪt/
    • US Pronunciation
    • US IPA
    • [vas-uh-leyt]
    • /ˈvæs əˌleɪt/

Definitions of vacillate word

  • verb without object vacillate to waver in mind or opinion; be indecisive or irresolute: His tendency to vacillate makes him a poor leader. 1
  • verb without object vacillate to sway unsteadily; waver; totter; stagger. 1
  • verb without object vacillate to oscillate or fluctuate. 1
  • intransitive verb vacillate hesitate, waver 1
  • verb vacillate If you vacillate between two alternatives or choices, you keep changing your mind. 0
  • verb vacillate to fluctuate in one's opinions; be indecisive 0

Information block about the term

Origin of vacillate

First appearance:

before 1590
One of the 37% oldest English words
1590-1600; < Latin vacillātus (past participle of vacillāre to sway to and fro); see -ate1

Historical Comparancy

Parts of speech for Vacillate


vacillate popularity

A common word. It’s meaning is known to most children of preschool age. About 78% of English native speakers know the meaning and use the word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

vacillate usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for vacillate

verb vacillate

  • alternate — When you alternate two things, you keep using one then the other. When one thing alternates with another, the first regularly occurs after the other.
  • blow hot and cold — to vacillate
  • bobble — A bobble is a small ball of material, usually made of wool, which is used for decorating clothes.
  • bottom out — If a trend such as a fall in prices bottoms out, it stops getting worse or decreasing, and remains at a particular level or amount.
  • call in question — a sentence in an interrogative form, addressed to someone in order to get information in reply.

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See also

Matching words

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