| dainty(adjective, rough, particular, meticulous, fussy) |
| discerning(adjective, fastidious) |
| inflexible(adjective, hard, severe, rough, difficult) |
| knotty(adjective, hard, tough, severe, rough) |
| necessitating(verb, adjective, obliging, requiring) |
| needing(verb, adjective, obliging, requiring) |
| overcritical(adjective, severe, harsh, cross, critical) |
| relentless(adjective, severe, difficult, persistent, obstinate) |
| selective |
| tight(adjective, severe, difficult, stiff, rigid) |
| time-sensitive |
| tricky(adjective, tough, difficult, awkward, painful) |
| uphill(adjective, hard, tough, severe, rough) |
| Spartan(adjective, severe) |
| accurate(adjective, fastidious) |
| acquisitive(adjective, eager) |
| authoritarian(adjective, severe) |
| cantankerous(adjective, severe, difficult, cross, persistent) |
| captious(adjective, severe, harsh, critical, meticulous) |
| censorious(adjective, severe, harsh, cross, critical) |