| offish(adjective, person) |
| on ice(adjective, person) |
| phlegmatic(adjective, detached, impassive, unresponsive, laid-back) |
| prepared(adjective, hard, unfeeling, unsympathetic, hardened) |
| quiet(adjective, detached, impassive, unresponsive, laid-back) |
| relentless(adjective, mean, hard, severe, harsh) |
| remorseless(adjective, mean, hard, severe, harsh) |
| resistant(adjective, hard, unfeeling, unsympathetic, prepared) |
| reticent(adjective, detached, impassive, unresponsive, laid-back) |
| rolling with the punches(expression, adjective, idiom, detached, impassive) |
| satanic(adjective, mean, hard, harsh, cold) |
| seasoned(adjective, hard, unfeeling, unsympathetic, prepared) |
| self-absorbed |
| standoff |
| steeled(adjective, hard, unfeeling, unsympathetic, prepared) |
| stoic(adjective, impassive, laid-back, dispassionate, emotionless) |
| tactless(adjective, hard, indifferent, unsympathetic, unkind) |
| tough(adjective, hard, indifferent, unfeeling, unsympathetic) |
| toughened(adjective, hard, unfeeling, unsympathetic, hardened) |
| unaffectionate |