CHANGEABLE

adj. 1 variable, mutable, protean, inconstant, unstable, unsettled, shifting, uncertain, irregular, uneven, unpredictable, labile, capricious, erratic, fickle, unreliable, undependable, mercurial, volatile The weather has been changeable for the past week 2 alterable, modifiable, transformable, convertible Their meeting-places were changeable and known only to them