The Collaborative International Dictionary of English v.0.48:

Uneasiness \Un*eas"i*ness\, n.
   1. The quality or state of being uneasy; restlessness;
      disquietude; anxiety.
      [1913 Webster]

   2. The quality of making uneasy; discomfort; as, the
      uneasiness of the road. [Obs.] -- Bp. Burnet.
      [1913 Webster]

WordNet (r) 3.0 (2006):

uneasiness
    n 1: feelings of anxiety that make you tense and irritable [syn:
         edginess, uneasiness, inquietude, disquietude]
    2: physical discomfort (as mild sickness or depression) [syn:
       malaise, unease, uneasiness]
    3: embarrassment deriving from the feeling that others are
       critically aware of you [syn: self-consciousness,
       uneasiness, uncomfortableness]
    4: the trait of seeming ill at ease [syn: disquiet, unease,
       uneasiness]
    5: inability to rest or relax or be still [syn: restlessness,
       uneasiness, queasiness]