Synonyms of variable

1 Syllable
fluid, yoyo
2 Syllables
fickle, waffling, patchy, wiggly, fitful, patchier, flukier, fluky, tippier, can-do, tippy, iffy, myriad, yo-yo, shifty, shifting, protean, ticklish, fickler, wayward
3 Syllables
mercurial, erratic, unstable, inconstant, elliptic, flexible, capricious, tottery, unsettled, tottering, uneven, fluctuating, spasmodic, unsteady, mobile, slippery, wavering, changeful, unequal, quicksilver, mutable, changeable, zigzagged, vagarious, uncertain
4 Syllables
reversible, modifiable, many-sided, versatile, volatile, protuberant, alterable, puttylike, irregular, revocable, vacillating, permutable, bubbleheaded, unequable, adaptable, unaligned, humorsome, inconsistent
5 Syllables
multifaceted, thousand-and-one, unsymmetrical, unequivalent, unpredictable, temperamental, commutative, undependable