| diffident(adjective, worried, hesitant, reticent) |
| mousy(adjective, upset, nervous, worried) |
| yellow(adjective, upset, nervous, worried) |
| afraid(upset, anxious, worried, apprehensive) |
| chicken(adjective, upset, nervous, worried) |
| fainthearted(worried, afraid, apprehensive, scared) |
| intimidated(worried, afraid, apprehensive, scared) |
| jumpy(upset, anxious, worried, afraid) |
| lily-livered(upset, worried, afraid, apprehensive) |
| nervous(anxious, worried, afraid, apprehensive) |
| panicky(adjective, upset, anxious, nervous) |
| shaky(upset, worried, afraid, apprehensive) |
| shrinking(worried, meek, reticent, timid) |
| skittish(worried, afraid, apprehensive, scared) |
| timid(worried, meek, afraid, reticent) |
| timorous(worried, meek, reticent, timid) |
| tremulous(worried, afraid, apprehensive, scared) |
| unmanly(worried, afraid, apprehensive, scared) |
| weak-kneed(anxious, worried, afraid, apprehensive) |
| aflutter(anxious, worried, afraid, apprehensive) |