inconsistent

American  

[in-kuhn-sis-tuhnt] / ˌɪn kənˈsɪs tənt /

adjective

1. lacking in harmony between the different parts or elements; self-contradictory.

   an inconsistent story.

   Synonyms:

   incoherent

2. lacking agreement, as one thing with another or two or more things in relation to each other; at variance.

   a summary that is inconsistent with the previously stated facts.

   Synonyms:

   irreconcilable, discrepant

3. not consistent in principles, conduct, etc..

   He's so inconsistent we never know if he'll be kind or cruel.

4. acting at variance with professed principles.

5. Logic. incompatible.

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inconsistent British  

/ ˌɪnkənˈsɪstənt /

adjective

1. lacking in consistency, agreement, or compatibility; at variance

2. containing contradictory elements

3. irregular or fickle in behaviour or mood

4. Also: incompatible.  maths (of two or more equations) not having one common set of values of the variables: x + 2 y = 5 and x + 2 y = 6 are inconsistent

5. logic (of a set of propositions) enabling an explicit contradiction to be validly derived

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Related Words

Inconsistent, incompatible, incongruous refer to things that are out of keeping with each other. That which is inconsistent involves variance, discrepancy, or even contradiction, especially from the point of view of truth, reason, or logic: His actions are inconsistent with his statements. Incompatible implies incapability of close association or harmonious relationship, as from differences of nature, character, temperament, and the like: actions incompatible with honesty of purpose; qualities that make two people incompatible. Something that is incongruous is inappropriate or out of keeping, often to the point of being ridiculous or absurd: Incongruous characters or situations frequently provide a basis for comedy.

Other Word Forms

• inconsistently adverb

Etymology

Origin of inconsistent

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

Example Sentences

The FTC warned that denying access inconsistent with terms of service could lead to investigations and enforcement actions.

From The Wall Street Journal

One juror, Victoria, who only gave her first name to protect her anonymity, said Zuckerberg’s answers on the stand came across as inconsistent.

From The Wall Street Journal

Demand for vPro has been inconsistent, Mainelli said, but now he sees more interest “because it’s addressing a lot of the challenges that IT faces around manageability and security.”

From MarketWatch

"But I also don't believe that is inconsistent with standing up for one of the most stigmatised minorities in the country, and that is trans people."

From BBC

And the latest dietary guidelines are, in some ways, inconsistent and unclear.

From MarketWatch

Related Words

• conflicting
• contrary
• erratic
• illogical
• incompatible
• irreconcilable
• uncertain
• unpredictable