| unnatural(noun, characteristic, ungratefulness, thanklessness) |
| unthankful(noun, characteristic, ungratefulness, thanklessness) |
| barren(adjective, characteristic, lack, appreciation) |
| fruitless(adjective, characteristic, lack, appreciation) |
| futile(adjective, characteristic, lack, appreciation) |
| miserable(adjective, characteristic, lack, appreciation) |
| not worth it(adjective, characteristic, lack, appreciation) |
| unprofitable(adjective, characteristic, lack, appreciation) |
| unrecognized(adjective, characteristic, lack, appreciation) |
| unreturned(adjective, characteristic, lack, appreciation) |
| unrewarding(adjective, characteristic, lack, appreciation) |
| useless(adjective, characteristic, lack, appreciation) |
| vain(adjective, characteristic, lack, appreciation) |
| wretched(adjective, characteristic, lack, appreciation) |
| blackballed(adjective, characteristic, hostility, enmity) |
| displeasing(adjective, characteristic, hostility, enmity) |
| exceptionable(adjective, characteristic, hostility, enmity) |
| excluded(adjective, characteristic, hostility, enmity) |
| ill-favored(adjective, characteristic, hostility, enmity) |
| inadmissible(adjective, characteristic, hostility, enmity) |