General unease:
* Apprehensive
* Anxious
* Disturbed
* Restless
* Uncomfortable
* Wary
Feeling of dread or suspicion:
* Foreboding
* Uneasy
* Suspicious
* Disquieted
Feeling of nervousness or anxiety:
* Jittery
* On edge
* Fidgety
* Nervous
* Agitated
Feeling of discomfort or awkwardness:
* Awkward
* Uncomfortable
* Embarrassed
* Self-conscious
Feeling of worry or fear:
* Worried
* Concerned
* Fearful
* Scared
The best word to use will depend on the specific context. Consider the situation and the emotions you want to express when choosing the most appropriate word.