adjective

Experiencing worry, unease, or nervousness, typically about an imminent event or something with an uncertain outcome.

she was extremely anxious about her exams

worried,concerned,apprehensive,fearful,uneasy,ill at ease,perturbed,troubled,disquieted,bothered,disturbed,distressed,fretful,fretting,agitated,in a state of agitation,nervous,in a state of nerves,edgy,on edge,tense,overwrought,worked up,keyed up,strung out,jumpy,afraid,worried sick,with one’s stomach in knots,with one’s heart in one’s mouth,on pins and needles,stressed,under stress,in suspense,flurried