| instant(adjective, direct, prompt, importance, important) |
| judicious(adjective, sharp, sensitive, refined, logical) |
| keen(adjective, severe, sharp, exact, refined) |
| niggling(adjective, severe, harsh, unfavorable, disapproving) |
| nit-picking(adjective, severe, harsh, unsympathetic, rigid) |
| parlous(adjective, dangerous) |
| perceptive(adjective, sharp, sensitive, logical, piercing) |
| scathing(adjective, keen, sharp, unpleasant, unkind) |
| strategic(adjective, important, crucial) |
| thorny(bad, delicate, heavy, awkward, tricky) |
| choosy(adjective, sharp, fine, proper, precise) |
| reproachful(adjective, severe, harsh, offensive, unsympathetic) |
| squeamish(adjective, precise, scrupulous, meticulous, fussy) |
| tricky(adjective, difficult, delicate, awkward, complicated) |
| belittling(adjective, severe, harsh, offensive, unfavorable) |
| bitter |
| compelling(adjective, important, serious, essential, vital) |
| destructive(adjective, heavy, negative, hostile, acute) |
| disapproving(adjective, severe, harsh, unpleasant, cruel) |
| discriminate |