Erratic

Adjective

 * 1) unsteady, random; prone to unexpected changes; not consistent
 * Henry has been getting erratic scores on his tests: 40% last week, but 98% this week.

Noun

 * 1)  a rock moved by geologic forces from one location to another, usually by a glacier.
 * 2) Anything that has erratic characteristics.

Adverbs for Erratic
irregularly; habitually; characteristically; provokingly; unreliably; strangely; curiously; inscrutably; irresponsibly; inconsiderately; naturally; restlessly; mercurially; vagrantly; incurably; inveterately; fitfully; whimsically; capriciously; contrarily; uncomfortably;  foolishly;   inconsistently; marvelously; terribly.

Synonyms for Erratic
odd, strange, unruly, aberrant, eccentric, desultory, queer, peculiar, fluctuating, flighty, wandering, uncertain, capricious, unreliable, changeable.

Antonyms for Erratic
consistent, steady, sure, certain, rigid, regular, dependable, reliable, methodical.

Derived terms

 * erratically

Thesaurus
aberrant, aberrative, abnormal, adrift, afloat, agnostic, aimless, alternating, ambiguous, amorphous, anomalistic, anomalous, bizarre, broken, capricious, careening, casual, catchy, chancy, changeable, changeful, changing, character, choppy, circuitous, crackpot, crank, crankish, cranky, crotchety, curving, departing, desultory, deviable, deviant, deviating, deviative, deviatory, devious, dicey, different, digressive, directionless, disarticulated, disconnected, discontinuous, discursive, disjunct, disordered, disorderly, dispersed, disproportionate, divagatory, divaricate, divergent, diversified, diversiform, dizzy, dotty, doubtful, doubting, dubious, eccentric, equivocal, erose, errant, exceptional, excursive, extraordinary, fast and loose, fey, fickle, fitful, flake, flaky, flickering, flighty, flitting, fluctuant, fluctuating, formless, freak, freakish, frivolous, funny, giddy, gratuitous, guttering, halting, haphazard, herky-jerky, hesitant, hesitating, heteroclite, heteromorphic, hit-or-miss, idiocratic, idiosyncratic, iffy, immethodical, impetuous, impulsive, incalculable, inchoate, incoherent, inconsistent, inconstant, indecisive, indemonstrable, indirect, indiscriminate, infirm, intermittent, intermitting, irregular, irresolute, irresponsible, jagged, jerky, kinky, kook, kooky, labyrinthine, lurching, maggoty, mazy, meandering, meaningless, mercurial, misshapen, moody, motley, mutable, nonconformist, nonstandard, nonsymmetrical, nonsystematic, nonuniform, nut, nutty, odd, oddball, orderless, out-of-the-way, outlandish, patchy, peculiar, planetary, planless, pluralistic, polysemous, promiscuous, quaint, queer, quirky, ragged, rambling, random, recluse, restless, rough, roundabout, roving, scatterbrained, scrappy, screwball, screwy, senseless, serpentine, shapeless, shifting, shifty, shuffling, singular, skeptical, snaky, snatchy, spasmatic, spasmic, spasmodic, spastic, spineless, sporadic, spotty, staggering, straggling, straggly, strange, strange duck, stray, straying, subnormal, swerving, systemless, touch-and-go, turning, twisted, twisting, unaccountable, unarranged, uncertain, unclassified, unconfirmable, uncontrolled, unconventional, unconvinced, undependable, undirected, undisciplined, undivinable, unequable, unequal, uneven, unfixed, unforeseeable, ungraded, unjoined, unmethodical, unmetrical, unnatural, unordered, unorganized, unorthodox, unpersuaded, unpredictable, unprovable, unregular, unreliable, unrestrained, unrhythmical, unsettled, unsorted, unstable, unstable as water, unstaid, unsteadfast, unsteady, unsure, unsymmetrical, unsystematic, ununiform, unusual, unverifiable, vacillating, vagarious, vagrant, vague, variable, variegated, variform, various, varying, veering, vicissitudinary, vicissitudinous, volatile, wacky, wandering, wanton, wavering, wavery, wavy, wayward, weird, weirdo, whimsical, winding, wishy-washy, wobbling, wobbly, zigzag

Adjective

 * Finnish: ,
 * German: erratisch
 * Russian: неравномерный. нерегулярный


 * Serbo-Croatian: eratičan, iregularan, neravnomjeran

Anagrams

 * cirrate, rice rat