| panicky(adjective, anxious, nervous, worried) |
| phobic(adjective, worried, fearful, afraid) |
| quivery(worried, afraid, apprehensive, scared) |
| reserved(adjective, modest, humble, hesitant) |
| reticent(adjective, modest, nervous, humble) |
| retiring(adjective, modest, humble, hesitant) |
| self-effacing(adjective, modest, nervous, humble) |
| solicitous(anxious, worried, tense, afraid) |
| unassertive(adjective, modest, nervous, humble) |
| unassured(adjective, modest, nervous, humble) |
| unmanly(worried, afraid, apprehensive, scared) |
| weak-kneed(worried, afraid, apprehensive, scared) |
| aghast(worried, afraid, apprehensive, scared) |
| alarmed(worried, afraid, apprehensive, scared) |
| fainthearted(worried, afraid, apprehensive, scared) |
| lily-livered(worried, afraid, apprehensive, scared) |
| pusillanimous(worried, afraid, apprehensive, scared) |
| running scared(expression, worried, afraid, apprehensive) |
| spineless(worried, afraid, apprehensive, scared) |
| yellow(worried, afraid, apprehensive, scared) |