| unostentatious(adjective, person, quiet, feelings, modest) |
| unsympathetic(adjective, person, cool, indifferent, detached) |
| calm(adjective, quiet, cool, soft, reasonable) |
| close-lipped(adjective, quiet, secret, private, reticent) |
| emotionless(adjective, cool, indifferent, detached, hostile) |
| introverted(adjective, quiet, cool, cold, modest) |
| maintained(verb, adjective, received, retained, conserved) |
| moderate(adjective, calm, quiet, reasonable, sensible) |
| reclusive(adjective, close, quiet, cool, cold) |
| rigid |
| sober(adjective, calm, dull, cool, soft) |
| stiff(tough, correct, cold, unfriendly, fixed) |
| subdued(adjective, calm, close, quiet, soft) |
| suppressed(verb, adjective, concealed, covered, veiled) |
| unassertive(adjective, quiet, modest, humble, shy) |
| apathetic(adjective, cool, indifferent, restrained, detached) |
| booked(verb, adjective, planned, occupied, taken) |
| buttoned up(verb, expression, adjective, phrasal verb, close) |
| callous(adjective, calm, cool, indifferent, restrained) |
| ceremonious(adjective, quiet, correct, gentle, cold) |