Synonyms of changeable

1 Syllable
yoyo, fluid
2 Syllables
fickle, tippier, can-do, tippy, moody, flighty, giddy, faithless, restless, ticklish, wiggly, skittish, unquiet, flightier, transient, wayward, fitful, dingdong, varying, changing, moodier, vagrant, variant, supplier, ditzy, swimmy, weak-kneed, short-term, yo-yo, flightiest, shifting, protean, fickler, various
3 Syllables
mercurial, erratic, tottery, unsettled, multiform, lightheaded, tottering, uneven, mobile, movable, inconstant, capricious, spurtive, unpunctual, unstable, fluctuating, whimsical, spasmodic, unsteadfast, splenetic, variable, motile, astraddle, unsteady, wavering, changeful, quicksilver, fungible, mutable, short-range, uncertain
4 Syllables
unreliable, agitable, temporary, harebrained, convertible, omnifarious, volatile, workalike, irregular, alarmable, reversible, nonuniform, commutable, versatile, transformable, variegated, adaptable, transportable, agitated, impulsive, polymorphic, polymorphous, reciprocal, permutable, revocable, vacillating, adjustable, bubbleheaded, unconverted, transitional, inconsistent
5 Syllables
unforeseeable, unpredictable, kaleidoscopic, irresponsible, temperamental, interchangeable, substitutable, undependable, unstationary, commutative, irresolute, indecisive
6 Syllables
interconvertible, reciprocatory