| furious |
| hardened(noun, adjective, hard, tough, severe) |
| hardhearted(adjective, hard, careless, indifferent, cruel) |
| heartless(adjective, hard, tough, severe, careless) |
| hellish |
| ignorant(adjective, simple, slow, silly, stupid) |
| ill-advised(dull, unintelligent, witless) |
| imbecilic(adjective, dull, simple, slow, foolish) |
| impervious(noun, adjective, bad, cold, aloof) |
| inane(adjective, dull, simple, slow, silly) |
| indiscreet(dull, unintelligent, witless) |
| inured(noun, adjective, hard, careless, indifferent) |
| nitwitted(adjective, silly, stupid, green, fat) |
| nonliving(lifeless, inorganic) |
| nonsensical(adjective, dull, unintelligent, witless, imbecility folly) |
| not bright(expression, adjective, simple, slow, stupid) |
| out(adjective, senseless, insensible, comatose, paralyzed) |
| raving(cold, senseless, insensible, comatose, paralyzed) |
| reasonless |
| rocky(adjective, inflexible, unyielding) |