| unintentional(adjective, chance, planned, haphazard, unplanned) |
| empty(adjective, value, insignificant, unimportant, useless) |
| accidental(adjective, careless, casual, erratic, pointless) |
| indiscriminate(adjective, careless, insignificant, casual, useless) |
| ineffectual(adjective, weak, stupid, idle, useless) |
| otiose |
| unplanned(adjective, insignificant, useless, extensive, erratic) |
| vacuous(adjective, insignificant, useless) |
| vain(adjective, value, stupid, insignificant, idle) |
| designless(adjective, careless, insignificant, casual, useless) |
| feckless(adjective, value, stupid, insignificant, idle) |
| good-for-nothing(adjective, value, stupid, insignificant, idle) |
| hit-or-miss(adjective, careless, insignificant, casual, useless) |
| inane(adjective, value, silly, stupid, insignificant) |
| irregular(adjective, careless, insignificant, casual, useless) |
| unprofitable(adjective, weak, stupid, insignificant, idle) |
| adrift(adverb, purpose) |
| insignificant(adjective, value, silly, stupid, unimportant) |
| promiscuous(adjective, chance, casual, irregular, extensive) |
| purportless(adjective, value, silly, stupid, awkward) |