in·​con·​sis·​tent | \ ˌin-kən-ˈsi-stənt How to pronounce inconsistent (audio) \

Definition of inconsistent

: lacking consistency: such as
a : not compatible with another fact or claim inconsistent statements
b : containing incompatible elements an inconsistent argument
c : incoherent or illogical in thought or actions : changeable
d : not satisfiable by the same set of values for the unknowns inconsistent equations inconsistent inequalities

Keep scrolling for more

Other Words from inconsistent

inconsistently adverb

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.
See More

Recent Examples on the Web

The medical-marijuana program also lacks reliable, independent tools to validate grow-site locations, relying on inconsistent county databases, the report said. Andrew Selsky, The Seattle Times, "Oregon admits lack of oversight of medical-marijuana program," 15 July 2018 The report said the medical marijuana oversight agency lacks reliable, independent tools to validate grow site locations and relies on inconsistent county databases. Washington Post, "Oregon’s medical marijuana program admits to problems," 13 July 2018 The show itself has always been abhorrent, repugnant, and inconsistent with our values. Ed Stockly,, "Calendar Letters: Jane Pauley, John McCain, Roseanne Barr and more," 31 May 2018 Pogba endured another inconsistent season with the Red Devils during 2017/18 and once again received widespread criticism for his inability to live up to lofty expectations., "Manchester United Reportedly Receive Tempting Player Plus Cash Deal From PSG for Paul Pogba," 26 June 2018 Orioles center fielder Adam Jones has been one of the team's few constants, at least offensively, in a wildly inconsistent season for the team as a whole. Jon Meoli,, "Orioles' Adam Jones peaking at the plate as uncertainty over future mounts: 'I hold the cards'," 22 June 2018 What's unknown, and frankly more of a concern, is whether his inconsistent season at Kentucky was a blip or a foreshadowing. Matthew Giles,, "Ranking the top 50 prospects in the 2018 NBA draft," 19 June 2018 Weaknesses: Quarterback Hayden Moore returns to guide the offense after putting together an inconsistent 2017 season. Matt Murschel,, "Young Cincinnati is working to move up in AAC, No. 80 in 2018 preseason college football rankings," 8 June 2018 But the Diamondbacks had another subpar starting rotation, with Rubby De La Rosa and Jeremy Hellickson putting together inconsistent seasons. Nick Piecoro, azcentral, "Arizona Diamondbacks Chapter 4: Wild ride to success in 2013-17," 28 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inconsistent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of inconsistent

1620, in the meaning defined above

Keep scrolling for more

Learn More about inconsistent

Statistics for inconsistent

Last Updated

14 May 2019

Look-up Popularity

Time Traveler for inconsistent

The first known use of inconsistent was in 1620

See more words from the same year

Keep scrolling for more

More Definitions for inconsistent



English Language Learners Definition of inconsistent

: not always acting or behaving in the same way
: not continuing to happen or develop in the same way
: having parts that disagree with each other : not in agreement with something


in·​con·​sis·​tent | \ ˌin-kən-ˈsi-stənt How to pronounce inconsistent (audio) \

Kids Definition of inconsistent

1 : not being in agreement Their stories are inconsistent.
2 : not staying the same in thoughts or practices His scores are inconsistent.

Keep scrolling for more

Comments on inconsistent

What made you want to look up inconsistent? Please tell us where you read or heard it (including the quote, if possible).


highly pertinent or appropriate

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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