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

Recent private credit fund bankruptcies revealed poor collateral management, fraud, and inconsistent bank disclosures, raising risk concerns.

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

This led to bank-issued currency that had volatile, inconsistent valuations, which won’t occur with stablecoins.

From The Wall Street Journal • Jun. 2, 2026

Unfortunately, however, these two theories are known to be inconsistent with each other—they cannot both be correct.

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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