Synonyms for changeable

modified

1. Said of persons

   inconstant, unstable, fickle, irresolute, flighty, irresponsible, unreliable, purposeless, wayward, unsettled, motiveless, uncertain, spasmodic, fanciful, impulsive, wavering, uneasy, unsteady, changeful, undecided, uneven, vagrant, faddish, fidgety, roving, many-sided, vacillating, mutable, versatile, moody, temperamental, irregular, capricious, indecisive, restless, erratic, uneasy, agitated, whimsical, light, lightheaded, volatile, shifty, skittish, mercurial, fitful, unpredictable.

   Antonyms steady, reliable*, constant.

2. Said of conditions

   variable, varying, variant, uncertain, mutable, unsteady, unsettled, doubtful, plastic, kaleidoscopic, convertible, transformable, protean, permutable, commutative, reversible, inconstant, transitional, unstable, revocable, wavering, fluid, fluctuating, movable, mobile, unfixed, alterable, alternating, modifiable, everchanging, transmutable, labile; see also irregular 1.

   Antonyms immovable, permanent*, fixed.