| captious(adjective, severe, harsh, cross, critical) |
| clamant |
| complex(adjective, sensitive, intelligent, shrewd) |
| exorbitant(adjective, extravagant, ridiculous, excessive, steep) |
| heavy(adjective, dull, tough, severe, rough) |
| heedful(adjective, thorough, meticulous, vigilant, painstaking) |
| imperative(adjective, severity) |
| insistent |
| intense(adjective, severe) |
| intricate(adjective, tough, severe, difficult, awkward) |
| narrow |
| painful(adjective, tough, severe, harsh, heavy) |
| punctual(adjective, thorough, meticulous, painstaking) |
| puritanical(adjective, tough, severe, firm, harsh) |
| selective |
| sensitive(intelligent, shrewd) |
| set(adjective, tough, severe, firm, harsh) |
| strait-laced(adjective, tough, severe, firm, harsh) |
| toilsome(adjective, tough, severe, difficult, harsh) |
| uncompromising(adjective, severe, severity) |