| brittle(adjective, unstable, erratic, unsteady) |
| can't say boo to a goose(expression, idiom, doubtful, irresolute, vacillating) |
| cardboard(adjective, shake, unstable, unsteady) |
| chameleonic(adjective, unstable, erratic, unsteady) |
| changeful(adjective, unstable, erratic, unsteady) |
| changing(adjective, hesitant, wavering, indecisive) |
| contingent(adjective, uncertain, unclear, unbalanced, indefinite) |
| crank(adjective, unstable, erratic, unsteady) |
| cranky(adjective, shake, unstable, unsteady) |
| crazy(adjective, shake, unstable, unsteady) |
| deliberate(adjective, doubt, unstable, shy, unready) |
| dingle-dangle(adjective, shaky, floating, pivoting) |
| dingle dangle(adjective, shaky, floating, pivoting) |
| distrustful(adjective, uncertain, doubtful, dubious) |
| ditherer(adjective, doubt, unstable, shy, unready) |
| doddering(adjective, shake, unsteady, oscillate) |
| double minded(adjective, doubt, unstable, shy, unready) |
| doubter(adjective, uncertain, doubtful, dubious) |
| drunk(adjective, unstable, erratic, unsteady) |
| drunken(adjective, shake, unstable, unsteady) |