| unintentional(adjective, planned, unknowing, unaware, accidental) |
| inadvertent(adjective, planned, unknowing, unaware, unplanned) |
| unintended(adjective, planned, unknowing, unaware, unintentional) |
| unplanned(adjective, planned, unknowing, unaware, unintentional) |
| unwitting(adjective, planned, unknowing, unaware, unplanned) |
| accidental(adjective, unknowing, unaware, unplanned, unintentional) |
| unpremeditated(adjective, planned, unplanned, unintentional, accidental) |
| casual(adjective, unplanned, unintentional, accidental, inadvertent) |
| undevised(adjective, planned, unplanned, unintentional, accidental) |
| unmeant(adjective, planned, unknowing, unaware, unintentional) |
| chance(adjective, unknowing, unaware, unplanned, unintentional) |
| unconscious(adjective, unknowing, unaware, unplanned, unintentional) |
| involuntary(adjective, unknowing, unaware, unplanned, unintentional) |
| random(adjective, unplanned, unintentional, accidental, unintended) |
| unthinking(adjective, unknowing, unaware, unplanned, unintentional) |
| aimless(adjective, unknowing, unaware, unplanned, unintentional) |
| extemporaneous(adjective, unplanned, unintentional, accidental, inadvertent) |
| fortuitous(adjective, unplanned, unintentional, accidental, unintended) |
| haphazard(adjective, unknowing, unaware, unplanned, unintentional) |
| uncalculated |