| mild(adjective, calm, close, quiet, simple) |
| mitigated(verb, adjective, qualified) |
| morose |
| nervous(adjective, modest, humble, shy, hesitant) |
| poised(adjective, firm, sensible, solid, steady) |
| proud(cold, indifferent, unfriendly, aloof, remote) |
| prudent(adjective, good, quiet, appropriate, restrained) |
| reluctant(adjective, modest, humble, shy, hesitant) |
| retired(adjective, close, quiet, shy, stable) |
| segregative(adjective, secret, sneaky, stealthy) |
| self-controlled(adjective, calm, quiet, reasonable, gentle) |
| set aside(verb, expression, adjective, phrasal verb, taken) |
| shamefaced(adjective, modest, humble, shy, hesitant) |
| spare |
| specific(adjective, separate, exact, superior, unusual) |
| strait-laced |
| thick-skinned(adjective, calm, cool, indifferent, restrained) |
| tightlipped(adjective, quiet, restraint, taciturn, sounds) |
| uncommunicable(adjective, quiet, restraint, taciturn, sounds) |
| unconcerned(adjective, calm, cool, cold, indifferent) |