variable Synonyms

changeable inconstant mutable varying fickle unsteady fluctuating volatile capricious unstable irregular wavering shifting spasmodic erratic temperamental fitful flexible versatile protean fluid parameter inconsistent uncertain mobile vacillating mercurial unsettled alterable changeful unpredictable changing open-ended unequal undependable transformable uneven unmethodical variable-rate ticklish spastic variable star sporadic spotty squally stochastic waffling unrhythmical temporal unreliable