| self-controlled(adjective, calm, quiet, gentle, mild) |
| shamefaced(adjective, modest, humble, shy, hesitant) |
| suppressed |
| uncertain(adjective, feel doubt) |
| uncompanionable(adjective, person, close, quiet, gentle) |
| uncongenial(adjective, cool, cold, sensitive, shy) |
| unemotional(adjective, calm, controlled, self-possessed) |
| unnoticeable(adjective, quiet, plain, modest, imperceptible) |
| unresponsive(adjective, quiet, gentle, aloof, reserved) |
| worried(adjective, feel doubt) |
| yellow(adjective, weak, nervous, shy, fearful) |
| abashed(adjective, shy, timid, diffident) |
| aseptic(adjective, quiet, restrained, thoughtful, solitary) |
| averse(adjective, modest, humble, shy, hesitant) |
| bland(adjective, dull, modest, innocuous, harmless) |
| ceasing(verb, resigning) |
| chary(adjective, modest, humble, shy, hesitant) |
| chicken |
| chicken-hearted(adjective, weak, spineless, gutless) |
| chilled(calm, quiet, reasonable, mild, controlled) |