apprehensive
adj.adj. feeling worried or nervous about something that might happen in the future. You feel this when you are not sure if a situation will be successful.
adj. feeling anxious or fearful that something unpleasant will occur. Often used predicatively after linking verbs such as 'feel' or 'remain'.
I feel a bit apprehensive about my job interview tomorrow.
Many students are apprehensive about the upcoming changes to the exam format and how they will affect their final grades.
The investors remained apprehensive despite the CEO's reassurances, fearing that the volatile market conditions would eventually erode the company's quarterly profits.
From Latin apprehensīvus, from apprehensus, perfect passive participle of apprehendō (“to apprehend, understand, learn”) + -īvus (“-ive”).
Often followed by the preposition 'about' or 'of', or by a 'that' clause.