anxiousness, disquiet -- (a feeling of mild anxiety about possible developments)
disquiet, unease, uneasiness -- (the trait of seeming ill at ease)
Overview of verb disquiet
The verb disquiet has 1 sense
perturb, unhinge, disquiet, trouble, cark, distract, disorder -- (disturb in mind or make uneasy or cause to be worried or alarmed; "She was rather perturbed by the news that her father was seriously ill")