| hideous(adjective, nasty, unpleasant, awful, terrible) |
| ill-natured(adjective, difficult, rude, unpleasant, awkward) |
| incompatible(adjective, bad, disgusting, vile, inadequate) |
| irksome(adjective, bad, rough, nasty, offensive) |
| querulous(adjective, difficult, attitude, short, unfriendly) |
| rank(adjective, nasty, unpleasant, awful, terrible) |
| splenetic(adjective, short, faultfinding, caviling) |
| unattractive(adjective, bad, nasty, plain, offensive) |
| ungracious(adjective, difficult, unpleasant, awful, terrible) |
| unkind(adjective, mean, tough, nasty, harsh) |
| bearish(adjective, difficult, irritable, grumpy, crabby) |
| choleric(adjective, difficult, short, irritable, crabby) |
| crotchety(adjective, difficult, unpleasant, short, irritable) |
| curt(adjective, unpleasant, irritable, abrupt, gruff) |
| fractious(adjective, difficult, short, irritable, abrupt) |
| grumpy(adjective, difficult, attitude, unpleasant, short) |
| harsh(adjective, hard, tough, rough, offensive) |
| miserable(adjective, dull, rough, unpleasant, gloomy) |
| off-putting(adjective, tough, offensive, dark, disgusting) |
| repellant(adjective, dull, dislike, disgusting, ugly) |