| disposable |
| excess(adjective, spare, extreme, useless, extra) |
| nothing(noun, insignificant, inconsequential, irrelevant) |
| paltry(adjective, small, insignificant, unimportant, trivial) |
| perk(adjective, extraordinary, new, spare, fresh) |
| subsidiary |
| supernumerary(noun, adjective, extraordinary, new, spare) |
| unsubstantial(adjective, unsubstantial) |
| unwanted(adjective, spare, extreme, useless, extra) |
| ancillary(adjective, extraordinary, new, spare, fresh) |
| auxiliary(adjective, extraordinary, new, spare, fresh) |
| avoidable(adjective, casual, useless, extra, worthless) |
| beside the point(expression, adjective, idiom, unnecessary, irrelevant) |
| ethereal(adjective, unsubstantial) |
| exorbitant(adjective, spare, extreme, useless, extra) |
| futile(adjective, casual, useless, extra, worthless) |
| illusory(adjective, unsubstantial) |
| impalpable(adjective, unsubstantial) |
| intangible(adjective, unsubstantial) |
| lavish(adjective, spare, extreme, useless, extra) |