| uncompensated(adjective, work, pay, unpaid, unrewarded) |
| unpaid(adjective, work, pay, paper, due) |
| unremunerated(adjective, work, pay, unpaid, unrewarded) |
| unsalaried(adjective, work, pay, unpaid, unrewarded) |
| free(adjective, charge, complimentary, gratis) |
| gratuitous(adjective, paper, due, complimentary, unpaid) |
| unrequited |
| voluntary(adjective, work, pay, unpaid, unrewarded) |
| volunteer(adjective, unpaid, unrewarded, unremunerated) |
| complimentary(adjective, paper, gratis, unrewarded, unremunerated) |
| costless(adjective, paper, complimentary, gratis, unrewarded) |
| due(adjective, unpaid) |
| for love(expression, adjective, paper, complimentary, gratis) |
| for nothing(expression, adjective, paper, complimentary, gratis) |
| free of cost(expression, adjective, idiom, paper, complimentary) |
| free ride(expression, adjective, paper, complimentary, gratis) |
| freebie(adjective, paper, complimentary, gratis) |
| freewilled(adjective, unpaid, unrewarded, unremunerated) |
| handout(adjective, paper, complimentary, gratis) |
| honorary(adjective, unpaid, unrewarded, unremunerated) |