| thankless(adjective, difficult, rude, inconsiderate, grateful) |
| unthankful(adjective, rude, grateful, churlish, appreciative) |
| unappreciative(adjective, rude, grateful, churlish, appreciative) |
| distasteful(adjective, unpleasant, terrible, dirty, badly) |
| ingrate(noun, adjective, appreciative, ingratitude) |
| heedless(adjective, appreciative) |
| unpleasant(adjective, difficult, trying, unappreciated, unrewarding) |
| selfish(adjective, appreciative) |
| thoughtless |
| disagreeable(adjective, difficult, unpleasant, trying, unappreciated) |
| self-centered(adjective, appreciative) |
| nasty(adjective, terrible, dirty, badly, scary) |
| ungracious(adjective, terrible, dirty, badly, scary) |
| unmindful(adjective, appreciative, ingratitude) |
| unappreciated(adjective, difficult, rude, unpleasant, trying) |
| displeasing(adjective, terrible, dirty, badly, scary) |
| unpalatable(adjective, terrible, dirty, badly, scary) |
| bum(adjective, terrible, dirty, badly, scary) |
| careless(adjective, appreciative) |
| cringe-worthy(adjective, terrible, dirty, badly, scary) |