accidental, adventitious, adventurous, alternate, alternating, ambiguous, attackable, baseless, casual, chance, chancy, change, changeable, chaotic, choppy, coincidental, contestable, contingent, convertible, delicate, desultory, dicey, dismal, disputable, doubtful, dubious, effete, enervate, erratic, faint, falsely, feckless, feeble, fickle, flimsy, floating, fluky, fortuitous, fragile, frail, fuzzy, gratuitous, groundless, haphazard, hazardous, idle, ill-founded, impeachable, incident, incidental, indecisive, infirm, invalid, invertebrate, irresolute, lame, limp, low,
modifiable, moodiness, mutable, nerveless, occasional, outsider, pale, pendulous, poor, precarious, questionable, random, risky, rocky, sappy, scant, shaky, shifty, shy, slack, slim, slippery, stagger, stray, thin, totter, tottered, tottering, uncertain, unfounded, ungrounded, unjustified, unmanly, unstable, unsteady, unsubstantiated, variable, venture, venturesome, versatile, vicissitudes, volatile, vulnerability, wan, wavering, weak, wild-goose, wishy-washy, wispy