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Showing results for erratic. Search instead for irratio.
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.

Boyd frequently posted videos of erratic drivers on social media, but he testified at the hearing that he didn’t record them with the tablet.

From The Wall Street Journal • Apr. 5, 2026

The lawsuit, brought on behalf of a "Jane Doe", cites a record of "incredibly alarming and erratic banking behavior" in her own Bank of America accounts, which were used by Epstein's team.

From BBC • Mar. 28, 2026

Meanwhile, the 2025 novel “Unfit” by Ariana Harwicz, about a mother losing her children in a custody battle, uses erratic crayon scribbles on its cover.

From Los Angeles Times • Mar. 16, 2026

Merz's first official visit to China comes as Berlin and Beijing seek to build on decades-old economic ties to weather global uncertainty sparked by US President Donald Trump's tariff blitz and erratic foreign policies.

From Barron's • Feb. 26, 2026

Sick with jealous suspicions, Zizmo had been erratic, forgetting to schedule rendezvous, choosing drop-off points with insufficient preparation.

From "Middlesex: A Novel" by Jeffrey Eugenides