| favoured(adjective, feature, state, characteristic) |
| free of charge(expression, adjective, idiom, free, courtesy) |
| honorable(adjective, feature, state, characteristic) |
| honourary(adjective, feature, state, characteristic) |
| indefensible(adjective, unwarranted, unnecessary, necessary, wanton) |
| non-essential |
| on the house(expression, adjective, idiom, free, money) |
| titular(adjective, feature, characteristic, honorary) |
| unbidden(adjective, free, deliberate, natural, willing) |
| unmerited(adjective, senseless, unwarranted, necessary, wanton) |
| unprovoked(adjective, unwarranted, necessary, wanton, unjustified) |
| unrequested(adjective, willing, arrogant, voluntary, unwelcome) |
| willing(adjective, free, charitable, arrogant, independent) |
| de trop(expression, adjective, spare, extreme, extra) |
| discretional(adjective, feature, characteristic, free, deliberate) |
| expendable(adjective, spare, extreme, useless, extra) |
| genuine(adjective, feature, characteristic, natural, spontaneous) |
| inessential(adjective, spare, extreme, useless, extra) |
| inordinate(adjective, spare, extreme, useless, extravagant) |
| nonessential(spare, extreme, useless, extra, unwarranted) |