Unpredictable

Adjective

 * 1) Unable to be predicted.

Noun

 * 1) An unpredictable thing.

Thesaurus
accidental, adrift, adventitious, afloat, agnostic, aleatory, alternating, ambiguous, amorphous, capricious, casual, causeless, chance, chancy, changeable, changeful, contingent, coquettish, destinal, desultory, deviable, dicey, dizzy, doubtful, doubting, dubious, eccentric, equivocal, erratic, extraordinary, faddish, fast and loose, fatal, fatidic, fickle, fitful, flickering, flighty, flirtatious, flitting, fluctuant, fluctuating, fluky, fortuitous, freakish, giddy, hesitant, hesitating, iffy, impetuous, improbable, impulsive, incalculable, incidental, inconsistent, inconstant, indecisive, indemonstrable, indeterminate, infirm, insecure, irregular, irresolute, irresponsible, light, mazy, mercurial, moody, more than expected, out-of-the-way, past expectation, polysemous, quicksilver, rambling, restless, risky, rocky, roving, scatterbrained, shaky, shapeless, shifting, shifty, shuffling, skeptical, skittish, spasmodic, spineless, sudden, tottery, touch-and-go, toying, treacherous, unaccountable, unannounced, unanticipated, uncaused, uncertain, unconfirmable, uncontrolled, unconvinced, undependable, undetermined, undisciplined, undivinable, undivined, unexpected, unfixed, unforeseeable, unforeseen, unguessed, unhealthy, unheralded, unhoped for, unlooked-for, unpersuaded, unpredicted, unprepared for, unprovable, unreliable, unrestrained, unsafe, unsettled, unsound, unstable, unstable as water, unstaid, unsteadfast, unsteady, unsure, untrustworthy, unverifiable, vacillating, vagrant, variable, versatile, vicissitudinary, vicissitudinous, volatile, wandering, wanton, wavering, wavery, wavy, wayward, whimsical, wishy-washy, without warning

Adjective

 * Chinese:
 * Mandarin: 不可預知的, 不可预知的 (bù kě yùzhī de)
 * Dutch:
 * Finnish:, ,
 * French:
 * German:
 * Hebrew: בלתי צפוי


 * Italian:
 * Japanese: 予測のつかない
 * Polish:
 * Portuguese:
 * Russian: непредсказуемый
 * Spanish:
 * Swedish:

Derived terms

 * unpredictability
 * unpredictableness
 * unpredictably
 * unpredicted

Noun

 * Chinese:
 * Mandarin: 不可預知的事情, 不可预知的事情 (bù kě yùzhī de shìqíng)
 * Finnish:


 * French:
 * Hebrew: בלתי צפוי
 * Italian: