| exacting(adjective, dull, hard, tough, easy) |
| difficult(adjective, dull, hard, tough, severe) |
| hard(adjective, dull, tough, easy, severe) |
| severe(adjective, hard, tough, easy, severe) |
| fussy(adjective, hard, tough, difficult, full) |
| tough(adjective, dull, hard, easy, severe) |
| rigorous(adjective, hard, severe, rough, difficult) |
| strict(adjective, hard, tough, easy, severe) |
| critical(adjective, hard, tough, severe, difficult) |
| finicky(adjective, tough, severe, difficult, cross) |
| meticulous(adjective, severe, rough, critical, fussy) |
| perfectionist |
| taxing(adjective, hard, tough, severe, rough) |
| fastidious(adjective, tough, difficult, awkward, careful) |
| scrupulous(adjective, valuable, duty, reliable, responsible) |
| burdensome(adjective, dull, hard, tough, severe) |
| particular(adjective, severe, sharp, unsympathetic, critical) |
| rigid(adjective, hard, tough, easy, severe) |
| arduous(adjective, dull, hard, tough, severe) |
| harsh(adjective, hard, easy, severe, rough) |