| bottled up(expression, adjective, quality, personality, characteristics) |
| buttoned up(expression, adjective, quality, personality, characteristics) |
| close lipped(expression, adjective, quality, personality, characteristics) |
| close mouthed(expression, adjective, quality, personality, characteristics) |
| kept to himself(expression, adjective, quality, personality, characteristics) |
| shut in(expression, adjective, quality, personality, characteristics) |
| asocial(adjective, quality, personality, characteristics) |
| avoidant(adjective, description, characteristics, traits) |
| close-lipped(adjective, quality, personality, characteristics) |
| close-mouthed(adjective, quality, personality, characteristics) |
| closed(adjective, description, characteristics, traits) |
| closed-loop(adjective, quality, personality, characteristics) |
| enclosed(adjective, quality, personality, characteristics) |
| idiotropic(adjective, quality, personality, characteristics) |
| lone(adjective, quality, personality, characteristics) |
| offish(adjective, quality, personality, characteristics) |
| reserved(adjective, quality, personality, characteristics) |
| reticent(adjective, quality, personality, characteristics) |
| secluded(adjective, quality, personality, characteristics) |
| seclusive(adjective, description, characteristics, traits) |