| Abstract Noun | Meaning | Example Sentence |
| Anxiety | State of unease or worry | Her anxiety prevented her from sleeping. |
| Apprehension | Feeling of fear or unease | The apprehension before the big exam was palpable. |
| Nervousness | Feeling of nervous agitation | His nervousness was evident as he spoke in public. |
| Trepidation | Feeling of fear or anxiety | The trepidation about the upcoming journey grew. |
| Uneasiness | State of discomfort or restlessness | He felt a sense of uneasiness in the unfamiliar city. |
