Capricious (verb):Meaning: Given to sudden and unaccountable changes of mood or behaviour./Changing according to no discernible rules; unpredictable.Bengali meaning: খামখেয়ালীSynonym: fickle, inconstant, changeable, variable, unstable, mercurial, volatile, erratic, vacillating, irregular, inconsistent, fitful, arbitrary, impulsive, temperamental, wild, ungovernable, whimsical, fanciful, flighty, wayward, quirky, faddish, freakish, unpredictable, random, chance, haphazardAntonym: stable, consistent.Source: Oxford Dictionary.