| wordless(adjective, quiet, silent, dazed, dumb) |
| cagey(adjective, secret, sneaky, stealthy) |
| clandestine(adjective, secret, sneaky, stealthy) |
| not talkative(adjective, secret, silent, sneaky, stealthy) |
| restrained(adjective, quiet, soft, low, reticent) |
| retired(adjective, quiet, reserved, secret, private) |
| clammed up(expression, adjective, close, quiet, soft) |
| discreet(adjective, quiet, soft, low, restrained) |
| furtive(adjective, secret, sneaky, stealthy) |
| mysterious(private, reticent) |
| retiring(adjective, reserved, reticent, taciturn) |
| secret(adjective, quiet, reserved, private, reticent) |
| short(reserved, reticent, taciturn) |
| succinct(adjective, taciturn) |
| untalkative |
| aloof(reserved, reticent, taciturn, uncommunicative) |
| antisocial(aloof, reserved, reticent, uncommunicative) |
| backstairs(mysterious, private, reticent, taciturn, uncommunicative) |
| brief |
| brooding(aloof, reserved, reticent, uncommunicative) |