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Showing results for erratic. Search instead for uratic.
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

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