| vexatious(adjective, dull, severe, tender, awful) |
| wearisome(adjective, dull, tough, severe, difficult) |
| grueling(adjective, hard, tough, difficult, painful) |
| strenuous(adjective, dull, tough, severe, rough) |
| touchy(delicate, awkward, uneasy, tricky, grumpy) |
| awkward(adjective, tough, difficulty, harsh, delicate) |
| cringeworthy |
| exasperating(adjective, dull, awkward, boring, tired) |
| nerve-wracking |
| ticklish(adjective, tough, difficult, delicate, awkward) |
| upsetting(adjective, hard, tough, severe, disturbing) |
| vexing(adjective, hard, severe, offensive, irritating) |
| worrisome(adjective, hard, severe, upsetting, disturbing) |
| embarrassing(hard, severe, offensive, awkward, problematic) |
| agonizing(verb, adjective, tender, raw, painful) |
| disagreeable(adjective, hard, severe, tender, offensive) |
| examining(noun, verb) |
| exhausting(adjective, dull, hard, tough, difficult) |
| fatiguing(adjective, dull, boring, tired, tedious) |
| formidable(adjective, tough, severe, rough, difficult) |