| draining(difficult, demanding, strenuous, exhausting, tiresome) |
| endeavoring |
| enervating(difficult, demanding, strenuous, exhausting) |
| essaying |
| excruciating(adjective, tender, awkward, raw, painful) |
| finicky(adjective, tough, difficult, harsh, rigid) |
| fraught |
| galling(tough, severe, painful, problematic, irritating) |
| grim(tough, problematic, troublesome) |
| gruelling |
| hurtful(adjective, tender, offensive, raw, painful) |
| inflaming(adjective, painful) |
| nagging(adjective, hard, tough, difficult, painful) |
| nettlesome(adjective, tough, tricky, complicated, problematic) |
| not easy(expression, tough, severe, difficult, painful) |
| odious(adjective, painful) |
| offensive(adjective, painful) |
| perplexing(hard, tough, severe, difficult, offensive) |
| perverse(tough, difficulty, harsh, awkward, grim) |
| piercing(adjective, tender, raw, painful, burning) |