| in dispute(expression, adjective, idiom, inquiry) |
| lost(adjective, uncertain, hesitant, confused, unsure) |
| mousy(adjective, meek, timid, unsure, unassuming) |
| mysterious(dark, unusual, strange, uncertain, dubious) |
| nervous(adjective, uncertain, awkward, shy, worried) |
| not kosher(expression, dubious, suspect, shady) |
| perplexed(adjective, uncertain, hesitant, confused, unsure) |
| preposterous(adjective, extraordinary, fantastic, amazing, unbelievable) |
| puzzling(dark, strange, uncertain, unreasonable, vague) |
| ridiculous(adjective, dubious, suspicious) |
| rocky(adjective, weak, delicate, uncertain, unstable) |
| shifty(dishonest, vague, dubious, unreliable, crooked) |
| tenuous(adjective, weak, thin) |
| theoretical(adjective, uncertain, vague, hesitant, unsure) |
| timid(adjective, weak, uncertain, shy, hesitant) |
| troubled(adjective, uncertain, negative, anxious, nervous) |
| trustless(uncertain, unsure, skeptical) |
| unassertive(adjective, meek, timid, unsure, unassuming) |
| undependable(adjective, uncertain, nervous, vague, dubious) |
| unpromising(adjective, shaky, unlikely) |