1. alterable(a = adj.all) - capable of being changed or altered in some characteristic; "alterable clothing"; "alterable conditions of employment"
Antonym: unalterable
Derived forms verb alter1, verb alter3, noun alterability1
2. alterable(s = adj.all) - (of the punishment ordered by a court) capable of being changed to one less severe;
Capable of being altered. [1913 Webster]
"Our condition in this world is mutable and uncertain, alterable by a thousand accidents." [1913 Webster]
N changeableness, mutability, inconstancy, versatility, mobility, instability, unstable equilibrium, vacillation, fluctuation, vicissitude, alternation, restlessness, fidgets, disquiet, disquietude, inquietude, unrest, agitation, moon, Proteus, chameleon, quicksilver, shifting sands, weathercock, harlequin, Cynthia of the minute, April showers, wheel of Fortune, transientness, changeable, changeful, changing, mutable, variable, checkered, ever changing, protean, proteiform, versatile, unstaid, inconstant, unsteady, unstable, unfixed, unsettled, fluctuating, restless, agitated, erratic, fickle, irresolute, capricious, touch and go, inconsonant, fitful, spasmodic, vibratory, vagrant, wayward, desultory, afloat, alternating, alterable, plastic, mobile, transient, wavering, seesaw, off and on, a rolling stone gathers no moss, pictra mossa non fa muschis, honores mutant mores, varium et mutabile semper femina.