| harassment(noun, sickness, ache, anguishes) |
| niggling(adjective, bad, uneasy, sorrowful, oppressive) |
| teasing(verb, pain) |
| tormenting(verb, adjective, pain, upsetting, irritating) |
| upsetting(adjective, bad, hard, tough, severe) |
| badgering(noun, verb, sickness, ache, anguishes) |
| bothering(verb, pain) |
| burdensome(adjective, hard, severe, offensive, heavy) |
| pestering(verb, pain) |
| aggravating(adjective, hard, severe, offensive, uncertain) |
| agony(noun, sickness, ache, anguishes) |
| alarming(adjective, hard, severe, offensive, upsetting) |
| anguish(noun, sickness, ache, anguishes) |
| difficult(adjective, tough, severe, upsetting, weighty) |
| disconcerting(adjective, hard, severe, offensive, distressing) |
| exasperating |
| harrowing(adjective, offensive, distressing, disturbing, unbearable) |
| solicitude(noun, excitement, agitation, nervousness, riot) |
| tense(adjective, pressure) |
| torture(noun, sickness, ache, anguishes) |