not firmly or solidly positioned; "climbing carefully up the unsteady ladder"; "an unfirm stance"
4
running(a)
(of fluids) moving or issuing in a stream; "a mountain stream with freely running water"; "hovels without running water"
1
erratic
liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next"
