| on thin ice(expression, uncertain, shaky, unclear, unlikely) |
| open(uncertain, doubtful, shaky, unclear, unsure) |
| open to doubt(expression, idiom, extraordinary, amazing, incredible) |
| outside(experience, distant, different, unfamiliar, external) |
| outside chance(expression, doubtful, unlikely, implausible) |
| overseas(experience, distant, different, unfamiliar, external) |
| overstated |
| past belief(expression, extraordinary, amazing, incredible) |
| pending(uncertain, shaky, unclear, unlikely, questionable) |
| perplexed(uncertain, doubtful, unsure) |
| phony(extraordinary, amazing, unbelievable, implausible, incredible) |
| precarious(uncertain, shaky, unclear, unlikely, questionable) |
| problematic(uncertain, doubtful, shaky, unclear, unsure) |
| reaching(extraordinary, amazing, incredible) |
| reluctant(uncertain, doubtful, unsure) |
| scatterbrained(extraordinary, amazing, incredible) |
| screwy(extraordinary, amazing, incredible) |
| senseless(adjective, foolish, stupid, irrational, arbitrary) |
| silly(adjective, foolish, stupid, senseless, irrational) |
| skeptical(uncertain, doubtful, unsure) |