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Synonyms

indecisive

American  
[in-di-sahy-siv] / ˌɪn dɪˈsaɪ sɪv /

adjective

  1. characterized by indecision, as persons; irresolute; undecided.

    Synonyms:
    hesitant, vacillating
  2. not decisive or conclusive.

    a severe but indecisive battle.

  3. lacking definition; vague or indistinct.

    the indecisive outline of the distant hills.


indecisive British  
/ ˌɪndɪˈsaɪsɪv /

adjective

  1. (of a person) vacillating; irresolute

  2. not decisive or conclusive

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • indecision noun
  • indecisively adverb
  • indecisiveness noun

Etymology

Origin of indecisive

First recorded in 1720–30; in- 3 + decisive

Explanation

If you’re indecisive, you have a hard time making decisions. When you finally do make a decision, you may not be confident about it, or you might change your mind. Another definition for indecisive is not definitely settling something, like when election results are too close to call or some result has been called into question. Several historic American elections have had this happen in the recent past, and in that case, the election result remains indecisive until a recount has been finished or until one party gives a concession speech.

Keep Reading on Vocabulary.com

Vocabulary lists containing indecisive

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"From a US perspective, I would say the US was operationally brilliant but the conflict was strategically indecisive," said Singh, now managing director at the Washington Institute for Near East Policy.

From Barron's • Apr. 8, 2026

Germany proved indecisive, and Poland, while mobilizing, didn’t send troops across the border into Lithuania.

From The Wall Street Journal • Feb. 5, 2026

California Gov. Gavin Newsom’s disaster chief quietly retired in late December amid criticism over the state’s indecisive stance on whether soil testing was necessary to protect survivors of the Eaton and Palisades fires.

From Los Angeles Times • Jan. 16, 2026

But in reality, he is weak and indecisive.

From Salon • Jun. 20, 2025

At the end there was an indecisive, semiserious silence and then Brinker said, “Phineas, if you please.”

From "A Separate Peace" by John Knowles