| offhand(adjective, cool, indifferent, restrained, reserved) |
| on a leash(expression, calm, quiet, reasonable, mild) |
| passive(adjective, calm, dull, flat, unemotional) |
| plain(calm, quiet, reasonable, mild, controlled) |
| poker-faced(adjective, detached, impassive, unresponsive, dispassionate) |
| poker face(expression, adjective, cool, detached, blank) |
| procacious(adjective, cool, indifferent, restrained, remote) |
| real |
| reasonable(calm, quiet, mild, controlled, self-possessed) |
| reclusive(adjective, close, quiet, gentle, mild) |
| removed |
| rigid |
| rolling with the punches(expression, adjective, idiom, detached, impassive) |
| sedate(adjective, quiet, gentle, aloof, peaceful) |
| self-restrained(adjective, reserved) |
| soft(calm, quiet, reasonable, mild, controlled) |
| standoff |
| steady(calm, quiet, reasonable, mild, controlled) |
| stony-eyed(adjective, cool, detached, blank, sober) |
| suppressed |