erratic

[ih-rat-ik] / ɪˈræt ɪk /

ADJECTIVE

unpredictable; wandering

Synonyms

STRONGEST

abnormal arbitrary bizarre capricious eccentric inconsistent irregular mercurial uncertain unreliable unstable unusual volatile wayward weird whimsical

WEAK

aberrant anomalous changeable desultory devious dicey directionless dubious fitful flaky fluctuant idiosyncratic iffy incalculable inconstant meandering nomadic oddball peculiar planetary rambling roving shifting spasmodic strange stray undirected unnatural vagarious variable

Antonyms

STRONGEST

calm common normal reasonable regular sensible stable standard steadfast steady unchanging usual

WEAK

certain consistent definite dependable predictable reliable sure

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.

Slot also produced another key tactical move by using Luis Diaz, a gifted but occasionally erratic winger, as a striker.

From BBC • May 30, 2026

Both rates rose in the month, and both groups have seen more erratic employment trends this year.

From Barron's • May 22, 2026

The jobs report has been up and down lately — some economists would say erratic — and it’s hard to find a major improvement in hiring trends.

From MarketWatch • May 7, 2026

Turner, labeled “Captain Outrageous” for his erratic behavior, had once been thought to have bipolar disorder.

From The Wall Street Journal • May 6, 2026

There was a marching formation now, and in their own dim body light, the rough-hewn walls of the mine tunnel swam past noiselessly, checkered with misty erratic blobs of shadow.

From "I, Robot" by Isaac Asimov

Vocabulary lists containing erratic

To Kill a Mockingbird

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List 1

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"To Kill a Mockingbird" by Harper Lee, Chapters 1–6

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