| skeptical(adjective, uncertain, dishonest, doubtful) |
| doubtful(verb, adjective, weak, uncertain) |
| hesitating(verb, adjective, weak, uncertain) |
| unsure(adjective, weak, uncertain, doubtful) |
| wavering(verb, adjective, weak, uncertain) |
| hesitant(adjective, weak, uncertain, doubtful) |
| irresolute(adjective, weak, uncertain, doubtful) |
| vacillating(verb, adjective, weak, uncertain) |
| faltering(adjective, weak, uncertain, doubtful) |
| indecisive(adjective, weak, uncertain, doubtful) |
| unpredictable(adjective, uncertain, doubtful, hesitant) |
| dawdling(adjective, uncertain, doubtful, hesitant) |
| delaying(adjective, uncertain, doubtful, hesitant) |
| half-hearted(adjective, uncertain, doubtful, hesitant) |
| halting(adjective, weak, uncertain, doubtful) |
| hanging back(expression, adjective, uncertain, doubtful) |
| lacking confidence(expression, adjective, uncertain, doubtful) |
| lazy(adjective, uncertain, doubtful, hesitant) |
| tentative(adjective, weak, uncertain, doubtful) |
| timid(weak, uncertain, doubtful, hesitant) |