WordWeb Online

1. A feeling of mild anxiety about possible developments
   - anxiousness
    
2. The trait of seeming ill at ease
   - unease, uneasiness

1. Disturb in mind or make uneasy or cause to be worried or alarmed
   - perturb, unhinge, trouble, cark, distract, disorder

Derived forms: disquieted, disquieting, disquiets

Type of: anxiety, discomposure, disturb, trouble, upset

Encyclopedia: Disquiet