wearied, vacillatory, fatigued, undetermined, feeble, hesitating, fearful, pussyfooting, agonized, shaky, decide, half-hearted, weak-kneed, halting, pendulous, languid, reserve, faint, vacillant, faded, worn, worn down, torn, be thinking of/about doing something, wobbly, doubting, shilly-shallying, weak-willed, wishy-washy, faltering, dim, be a toss-up, indistinct, worn out, ill-defined, exhausted, discouraged, listless, agonizing, indecision, purposeless, fluctuating, timid, faint-hearted
changeable (part of speech: adjective)
inconstant, unsteady, flexible, alterable, restless, adaptable, mercurial, unsettled, vacillating, modifiable, transposable, varying, precarious, movable, shifting, convertible, mutable, protean, wavering, variable, adjustable, fluid, changeable, reformable, unstable, vicissitudinous, fickle, changeful, volatile, versatile, flighty, transformable, ever-changing
irresolute (part of speech: adjective)
inconsistent, dillydallying, double-minded, ambivalent, erratic, irresponsible, hesitant, tentative, halfhearted, impulsive, spineless, infirm, shrinking, shifty, uncertain, flitting, weak, shy, watery, undecided, insipid, unwilling, shilly-shally, unsure, fly-by-night, unresolved, indecisive, capricious, yellow, undependable
- The irresolute monarch had no conception of his position. - "Madame Roland, Makers of History", John S. C. Abbott.
- For an instant he was dazed and irresolute; then he dashed into the wood after her, shouting, Irene, Irene, look out! - "The Best Psychic Stories", Various.
- For an instant she looked irresolute; then she bowed, and Roderick came quickly forward. - "The End of the Rainbow", Marian Keith.