| destitute(adjective, down, out, wanting) |
| diligent(adjective, tenacious) |
| dog-eat-dog(adjective, mean, hard, severe, harsh) |
| enduring(adjective, tenacious) |
| fiendish(adjective, pitiless) |
| flat broke(expression, flat, poor, exhausted, wanting) |
| formal(adjective, indifferent, unfriendly, aloof, remote) |
| gritty(adjective, rocky, pebbly, flinty) |
| hard as nails(expression, adjective, idiom, set, strong) |
| hellish(adjective, pitiless) |
| impersonal(adjective, unfriendly, unemotional, emotionless, taciturn) |
| imperturbable(adjective, cool, unfriendly, aloof, distant) |
| inclement |
| indurated(adjective, set, hard, firm, careless) |
| inelastic(adjective, hard, firm, solid, stiff) |
| insouciant(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| irregular(adjective, harsh, coarse, uneven, rugged) |
| lackadaisical(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| motionless |
| needy(poor, exhausted, lacking, wanting, bankrupt) |