halting, hesitant, indecisive, infirm, vacillating, waveringcharacterless, effete, frail, invertebrate, limp-wristed, milk-and-water, namby-pamby, nerveless, soft, spineless, weak, weakened, weak-kneed, weakling, wet(British), wimpish, wimpy, wishy-washyambivalent, conflicted, equivocaldoubtful, faltering, questioning, uncertain, undecided, unsure, wobbly(also wabbly)flabby, flaccid, forceless, ineffective, ineffectual