inconsistent

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

ADJECTIVE

contradictory, irregular

Synonyms

STRONGEST

conflicting contrary erratic illogical incompatible irreconcilable uncertain unpredictable

WEAK

at odds at variance capricious changeable discordant discrepant dissonant fickle in conflict incoherent incongruent incongruous inconstant lubricious mercurial out of step temperamental unstable variable warring

Antonyms

STRONGEST

certain definite harmonious predictable sure unchanging

WEAK

consistent consonant regular steady

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.

And yet the language we use to describe space-time is often vague, metaphorical and deeply inconsistent.

From Science Daily • Jun. 8, 2026

Sheehan’s velocity has fluctuated all season, which he and the team attributed to inconsistent mechanics.

From Los Angeles Times • Jun. 2, 2026

Despite inconsistent results - six wins, two draws and three defeats in his initial 11 matches - recent research from Quaest, a leading polling institute, found most Brazilians trust him.

From BBC • Jun. 1, 2026

Replimune in April accused the FDA of providing inconsistent feedback.

From Barron's • May 29, 2026

The question is: is it implied by the no boundary condition, or is it inconsistent with that condition?

From "A Brief History of Time: And Other Essays" by Stephen Hawking

Vocabulary lists containing inconsistent

Can I depend on you?

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Common Core Grades 11–12, List 4

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

All My Rage

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!