| requisitioning(noun, verb, requesting) |
| sharp(adjective, severe, harsh, cruel, unsympathetic) |
| thorny(adjective, difficult) |
| ticklish(adjective, difficult) |
| tiring(adjective, dull, tough, difficult, full) |
| tyrannical(adjective, oppressive, despotic) |
| unbending(adjective, severe) |
| uncompromising(adjective, severe) |
| urgent(adjective, hard, tough, firm, difficult) |
| wanting(verb, adjective, avid, greedy, rapacious) |
| wearing(adjective, dull, hard, tough, difficult) |
| wearying(adjective, dull, difficult, awkward, boring) |
| correct(adjective, severe, fastidious) |
| abrupt(adjective, severe, keen, violent, anxious) |
| ambitious(adjective, hard, tough, severe, ability) |
| appealing(verb, requesting) |
| astringent(adjective, severe) |
| awkward(adjective, difficult, grueling, problematical, unhelpful) |
| backbreaking(adjective, hard, difficult, harsh, heavy) |
| brusque(adjective, severe, keen, violent, anxious) |