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Showing results for inconsistency. Search instead for unconsistency.
Synonyms

inconsistency

American  
[in-kuhn-sis-tuhn-see] / ˌɪn kənˈsɪs tən si /
Also inconsistence

noun

  • inconsistencies
    plural
  1. the quality or condition of being inconsistent.

  2. an inconsistent thing, action, remark, etc.


inconsistency British  
/ ˌɪnkənˈsɪstənsɪ /

noun

  1. lack of consistency or agreement; incompatibility

  2. an inconsistent feature or quality

  3. logic

    1. the property of being inconsistent

    2. a self-contradictory proposition

"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

Noun Inflected Forms

Etymology

Origin of inconsistency

First recorded in 1640–50; in- 3 + consistency

Explanation

When there's inconsistency, things are not the same. An example of inconsistency in parenting might be when parents give different allowances to kids who are the same age. There's a lot of inconsistency in the world. Some restaurants will serve delicious food most of the time, but not all the time. Teachers in different classes will have different rules for what is expected. Another type of inconsistency is between ideas or propositions. For example, if you want to lose weight but cannot stop eating donuts, there is a major inconsistency between those two ideas. Anywhere you find things that are changing or varying, there is inconsistency.

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Vocabulary lists containing inconsistency

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.

See Examples For:

He gave up six runs in 5⅓ innings, raising concerns again over his inconsistency.

From Los Angeles Times Jul. 21, 2026

The detective noted the inconsistency, which Bušić attributed to not sleeping for “four or five days.”

From Slate Jul. 7, 2026

As if to underline the perception of inconsistency, many people were shocked that Mbappe did not get the spot-kick.

From BBC Jun. 26, 2026

But too much inconsistency has tempered once-sky-high expectations.

From MarketWatch May 31, 2026

Mrs. Ivy said, “There is a small scheduling inconsistency, Dr. Fox. No need to concern yourself.”

From "Louisiana's Way Home" by Kate DiCamillo

It added that current investigative processes were "hindered by excessive reporting requirements, unclear guidance and inconsistencies".

From BBC Aug. 12, 2026

Jason Arday resigned from the University of Cambridge following allegations of plagiarism and inconsistencies in his back story.

From The Wall Street Journal Aug. 6, 2026

Once clouds were included, the strange inconsistencies disappeared.

From Science Daily Jun. 28, 2026

But inconsistencies plagued Lauer’s start, ranging from the three earned runs he gave up in the first two innings to a pitch clock violation in the fourth.

From Los Angeles Times Jun. 16, 2026

I’m interested in other people’s experiences and inconsistencies, and though I can’t explain, I remember and use them for my own benefit.

From "Little Women" by Louisa May Alcott

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