Trepidatious (6)
(Other definitions for uneasy that I've seen before include "Jittery" , "Anxious, uncomfortable" , "Thus lies the head that wears the crown" , "'Anxious, restless (6)'" , "Anxious, unquiet" .)
(Other definitions for apprehensive that I've seen before include "Fearful, anxious" , "Uneasy, anxious" , "Worried" , "Feeling anxiety or fear about future events" , "Seven happier (anag.)" .)