inconsistent

adjective

in·​con·​sis·​tent ˌin-kən-ˈsi-stənt How to pronounce inconsistent (audio)
Synonyms of inconsistentnext
: lacking consistency: such as
a
: not compatible with another fact or claim
inconsistent statements
b
: containing incompatible elements
an inconsistent argument
The decision was inconsistent with company policy.
c
: incoherent or illogical in thought or actions : not always acting or happening the same way
His pitching has been inconsistent this season.
The pain is inconsistent.
d
: not satisfiable by the same set of values for the unknowns
inconsistent equations
inconsistent inequalities
inconsistently adverb

Synonyms of inconsistent

Examples of inconsistent in a Sentence

Customers have been complaining about the inconsistent service they have received. The pain has been inconsistent. Her grades have been inconsistent this school year. Their descriptions of the accident were inconsistent. The results of the two experiments were inconsistent. The decision was inconsistent with the company's policy.
Recent Examples on the Web
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.
Avoid abrupt temperature changes, frequent relocation, and inconsistent watering. Leanne Potts, Better Homes & Gardens, 2 July 2026 Broadcasters and platforms needed reliable ways to deliver streams to millions of viewers across inconsistent internet connections. Chris Allen, Forbes.com, 2 July 2026 Even where laws exist, enforcement can be inconsistent, so workers should know their state’s rules and document unsafe conditions. Hanna Wickes, Sacbee.com, 1 July 2026 Financial priorities may also require more of your attention, especially if emotional spending or inconsistent income streams have made planning difficult. Valerie Mesa, PEOPLE, 1 July 2026 See All Example Sentences for inconsistent

Word History

First Known Use

1620, in the meaning defined above

Time Traveler
The first known use of inconsistent was in 1620

Browse Nearby Words

Cite this Entry

“Inconsistent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inconsistent. Accessed 3 Jul. 2026.

Kids Definition

inconsistent

adjective
in·​con·​sis·​tent ˌin-kən-ˈsis-tənt How to pronounce inconsistent (audio)
1
: not being in agreement or harmony : incompatible
an explanation inconsistent with the facts
2
: not logical or regular in thought or actions : changeable
a very inconsistent person
inconsistently adverb

More from Merriam-Webster on inconsistent

Love words? Need even more definitions?

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

More from Merriam-Webster