variable Synonyms

fickle changeable unsteady inconstant mutable wavering varying vacillating spasmodic mobile irregular mercurial versatile unstable fitful fluid fluctuating volatile flexible temperamental parameter shifting unsettled alterable protean uncertain capricious changeful spastic sporadic spotty variant unreliable instable ticklish transformable v unequal uneven variate vicissitudinous yo-yo iffy ever-changing off and on open-ended undependable unmethodical unrhythmical waffling