| chance(adjective, small, unnecessary, not required) |
| excess(adjective, small, unnecessary, not required) |
| exorbitant(adjective, small, unnecessary, not required) |
| extraneous(adjective, small, unnecessary, not required) |
| extrinsic(adjective, small, unnecessary, not required) |
| fortuitous(adjective, small, unnecessary, not required) |
| gratuitous(adjective, small, unnecessary, not required) |
| haphazard(adjective, small, unnecessary, not required) |
| lavish(adjective, small, unnecessary, not required) |
| noncompulsory(adjective, small, unnecessary, not required) |
| prodigal(adjective, small, unnecessary, not required) |
| profuse(adjective, small, unnecessary, not required) |
| random(adjective, small, unnecessary, not required) |
| redundant(adjective, small, unnecessary, not required) |
| supererogatory(adjective, small, unnecessary, not required) |
| superfluous(adjective, small, unnecessary, not required) |
| surplus(adjective, small, unnecessary, not required) |
| uncalled-for(adjective, small, unnecessary, not required) |
| uncalled for(expression, small, insignificant, inconsequent) |
| uncritical(adjective, small, unnecessary, not required) |