| gratuitous(adjective, spare, extreme, useless, extra) |
| luxury(extra, unnecessary) |
| uncalled-for(adjective, spare, extreme, useless, extra) |
| useless(adjective, weak, stupid, spare, valuable) |
| accidental |
| petty(adjective, unimportant, extra, unnecessary) |
| pleonastic(adjective, spare, extreme, useless, extra) |
| secondary(adjective, incidental) |
| throwaway |
| usable(adjective, working, available) |
| excessive(adjective, spare, extreme, useless, extra) |
| extra(adjective, spare, extreme, surplus, unnecessary) |
| in excess(expression, spare, extreme, useless, extra) |
| inconsequential(adjective, unimportant) |
| liquid |
| meaningless(adjective, weak, stupid, idle, unimportant) |
| spare(extreme, useless, extra, excessive, surplus) |
| subsidiary(adjective, incidental) |
| unrequired(adjective, spare, extreme, useless, extra) |
| unwanted(adjective, spare, extreme, useless, extra) |