| vacillating(adjective, doubt, uncertain, unstable, shy) |
| hesitant(adjective, doubt, uncertain, unstable, shy) |
| indecisive(adjective, doubt, shy, doubtful, decide) |
| irresolute(adjective, doubt, uncertain, shy, doubtful) |
| vacillatory(adjective, doubt, unstable, shy, decide) |
| faltering(adjective, doubt, shake, unstable, shy) |
| unsure(adjective, doubt, uncertain, shy, hesitant) |
| doubting(adjective, doubt, uncertain, unstable, shy) |
| doubtful(adjective, doubt, uncertain, unstable, shy) |
| fickle(adjective, shake, unstable, doubtful, wavering) |
| pendulous(adjective, doubt, shy, decide, hesitant) |
| quaky(adjective, doubt, shake, unstable, erratic) |
| shy(adjective, informal, doubt, unstable, hesitant) |
| tentative(adjective, doubt, unstable, shy, doubtful) |
| undecided(adjective, doubt, unstable, shy, doubtful) |
| wavering(adjective, doubt, shy, doubtful, hesitant) |
| reluctant(adjective, doubt, uncertain, hesitant, unclear) |
| shilly-shally(adjective, doubt, unstable, shy, decide) |
| capricious(adjective, unstable, doubtful, erratic, unsteady) |
| fluctuating(adjective, doubt, unstable, wavering, erratic) |