Definitions

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.

Appeared in the April 7, 2026, print edition as 'Allies Are Worried They Are Tied to an Erratic U.S.'.

From The Wall Street Journal • Apr. 7, 2026

Erratic winds, and scorching temperatures have complicated firefighting efforts, according to the California Department of Forestry and Fire Protection.

From Los Angeles Times • Sep. 4, 2024

Erratic climate conditions - including the driest August in more than a century - have sent food prices spiralling above 11% in India, which is a major player in global agri-trade.

From BBC • Aug. 30, 2023

Erratic eating patterns, including late-night meals, have been linked to weight gain and a greater risk of metabolic disease.

From Salon • Aug. 3, 2023

Erratic masses of this kind have been known to fall in all ages and in all countries, and are of frequent occurrence.

From Nature and Culture by Rice, Harvey

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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