| undesigned(adjective, planned, unknowing, unaware, unintentional) |
| unwitting(adjective, planned, unknowing, unaware, unintentional) |
| unintended(adjective, rude, careless, casual, innocent) |
| unintentional(adjective, planned, unknowing, unaware, unsuspecting) |
| accidental(adjective, unknowing, unaware, unintentional, unsuspecting) |
| inadvertent(adjective, careless, casual, innocent, thoughtless) |
| involuntary(adjective, unknowing, unaware, unintentional, unsuspecting) |
| unplanned(adjective, planned, unknowing, unaware, unintentional) |
| unthinking(adjective, careless, thoughtless, unknowing, unaware) |
| unconscious(adjective, careless, casual, thoughtless, unwise) |
| unpremeditated(adjective, rude, careless, casual, thoughtless) |
| aimless(adjective, unknowing, unaware, unintentional, unsuspecting) |
| chance(adjective, unknowing, unaware, unintentional, unsuspecting) |
| haphazard(adjective, unknowing, unaware, unintentional, unsuspecting) |
| undevised(adjective, planned, unintentional) |
| casual(adjective, unintentional) |
| fortuitous(adjective, unintentional) |
| random(adjective, unintentional) |
| careless(adjective, thoughtless, inconsiderate) |
| erratic(adjective, unintentional) |