| bitter(adjective, hard, rough, unpleasant, vicious) |
| irking(verb, irritating, aggravating) |
| painful(adjective, hard, tough, severe, sharp) |
| obnoxious(verb, adjective, person, nasty, offensive) |
| plaguey |
| abrasive(adjective, manner) |
| angering(verb, displeasing) |
| displeasing(verb, adjective, rough, nasty, harsh) |
| disquieting(adjective, hard, severe, offensive, irritating) |
| rankling(verb, adjective, irritating, aggravating, infuriating) |
| riling(verb, adjective, displeasing) |
| tiring(verb, adjective, dull, boring, tedious) |
| untoward(adjective, troublesome) |
| annoyance |
| antagonizing(verb, adjective, aggravating) |
| disappointing(verb, adjective, sorrow, negative, emotion) |
| frustrating(adjective, sorrow, negative, emotion) |
| inconvenient(adjective, offensive, unacceptable, disturbing, unsatisfactory) |
| nasty(adjective, mean, sharp, offensive, rude) |
| oppressive(adjective, dull, boring, painful, tedious) |