Synonyms of vacillating

2 Syllables

wiggly, shakiest, tippier, timid, shakier, tippy, shaky, weakly, varying, giddy, weak-kneed, pithless, wobbly, halting, rootless, infirm

3 Syllables

unstable, variable, inconstant, aquake, ashake, tottery, unsure, claudicant, unsettled, unshielded, tottering, faint-hearted, spineless, astraddle, hesitant, unsteady, wavering, changeful, variably, mutable, changeable, untrusty, up-and-down, bipolar, vacillant, uncertain, anile

4 Syllables

reversible, unreliable, jellylike, unresolved, wishy-washy, hesitating, revocable, permutable, unequable, on-the-fence, shillyshally, ambivalent

5 Syllables

commutative, irresolute, indecisive, amoebalike