| unrequited |
| autonomous(adjective, feature, characteristic, free, deliberate) |
| favoured(adjective, feature, state, characteristic) |
| gratis(adjective, free, spontaneous, paper, complimentary) |
| honorable(adjective, feature, state, characteristic) |
| honourary(adjective, feature, state, characteristic) |
| independent(adjective, feature, characteristic, free, deliberate) |
| mature(adjective, slow, outstanding, unsettled, late) |
| nominal(adjective, feature, state, characteristic) |
| receivable(adjective, pay, due) |
| unrewarded(adjective, free, voluntary, debt, honorary) |
| costless(adjective, free, spontaneous, paper, complimentary) |
| genuine(adjective, feature, characteristic, natural, spontaneous) |
| past due(expression, adjective, idiom, outstanding, unsettled) |
| recreational |
| unforced(adjective, feature, characteristic, free, deliberate) |
| unrecompensed(adjective, work, pay, paper, due) |
| chosen(adjective, feature, characteristic, free, deliberate) |
| commemorative(adjective, feature, characteristic) |
| deliberate(adjective, feature, characteristic, free, natural) |