adjective
doubtful
Synonyms: ambiguous, borderline, capricious, changeable, dizzy, dubious, erratic, fickle, fitful, fluctuating, giddy, inconsistent, inconstant, insecure, irrational, lubricious, mercurial, mobile, movable, moving, mutable, not fixed, precarious, rickety, risky, rocky, sensitive, shaky, shifty, slippery, suspect, teetering, temperamental, ticklish, tricky, uncertain, unpredictable, unsettled, unsteady, untrustworthy, vacillating, variable, volatile, wavering, weak, weaving, wiggly, wobbly
Antonyms: stable, steady, strong
adjective
doubtful, weak
Synonyms: ambiguous, borderline, capricious, changeable, dizzy, dubious, erratic, fickle, fitful, fluctuating, giddy, inconsistent, inconstant, insecure, irrational, lubricious, mercurial, mobile, movable, moving, mutable, not fixed, precarious, rickety, risky, rocky, sensitive, shaky, shifty, slippery, suspect, teetering, temperamental, ticklish, tricky, uncertain, unpredictable, unsettled, unsteady, untrustworthy, vacillating, variable, volatile, wavering, weaving, wiggly, wobbly
Antonyms: stable, steady, strong