Definitions

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

Peters's office said on Thursday that the visit by the MPs was not inconsistent with New Zealand's "One China" policy, in which Wellington recognises Beijing's claim over Taiwan.

From Barron's • Jun. 4, 2026

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

From Los Angeles Times • Jun. 2, 2026

FDA general secretary Dave Penman said the rollout was "inconsistent across departments which limits the productivity gains".

From BBC • Jun. 1, 2026

Some people never admit that they are wrong and continue to find new, and often mutually inconsistent, arguments to support their case—as Eddington did in opposing black hole theory.

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

Vocabulary lists containing inconsistent

Can I depend on you?

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Common Core Grades 11–12, List 4

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All My Rage

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