| indeterminable(adjective, vague, unknown, general, unclear) |
| indistinct(adjective, obscure, rough, uncertain, doubtful) |
| inexact(adjective, weak, obscure, rough, dark) |
| moot(adjective, inquiry) |
| unfixed(adjective, uncertain, doubtful, vague, hesitant) |
| unsure(adjective, open, weak, rough, certain) |
| wavering(adjective, open, weak, determined, uncertain) |
| accidental(adjective, chance 2) |
| ambiguous(adjective, open, weak, rough, dark) |
| amorphous(unclear, indistinct, indistinguishable) |
| casual(adjective, chance 2) |
| enigmatic(unclear, indistinct, indecisive, indistinguishable) |
| faint(adjective, determined, unsettled, unclear, hazy) |
| hesitant(adjective, open, weak, uncertain, doubtful) |
| incidental(adjective, chance 2) |
| adventitious(adjective, chance 2) |
| ambivalent(adjective, open, doubtful, vague, hesitant) |
| causeless(adjective, chance 2) |
| contingent(adjective, chance 2) |
| equivocal(adjective, open, rough, determined, uncertain) |