| timorous(adjective, quiet, nervous, hesitant) |
| meek(adjective, quiet, simple, moderate, modest) |
| unassertive(adjective, quiet, modest, nervous, humble) |
| unobtrusive(adjective, calm, close, quiet, soft) |
| chary(adjective, restrained, modest, humble) |
| constrained(timid, diffident) |
| suspicious(adjective, restrained, modest, nervous, humble) |
| abashed(adjective, timid, diffident) |
| afraid(adjective, modest, nervous, humble) |
| apprehensive(adjective, modest, nervous, humble) |
| blushing(quiet, modest, meek, timid) |
| distrustful(adjective, modest, nervous, humble) |
| embarrassed(adjective, timid, diffident) |
| fearful(adjective, modest, nervous, humble) |
| mousy(nervous, still, fearful, hushed) |
| nervous(adjective, modest, humble, hesitant) |
| recessive(adjective, quiet, modest, nervous, humble) |
| shamefaced(adjective, modest, nervous, humble) |
| sheepish(adjective, quiet, simple, modest, nervous) |
| skittish(adjective, modest, nervous, humble) |