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Showing results for erratic. Search instead for erratica.
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.

Master of the trivela, lover of a rabona - mercurial and erratic, but show-stoppingly skilful.

From BBC • Mar. 24, 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

By age 5, in 1951, I began to notice that her behavior could be erratic.

From The Wall Street Journal • Mar. 10, 2026

Such erratic, entitled behavior impacts everything in DHS.

From Salon • Feb. 18, 2026

The rhythm of the California boat seemed to waver, then grow erratic.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.