apprehension
/æp.ɹɪˈhɛn.ʃən/noun
Anticipation, especially of unfavorable things such as dread or fear or the prospect of something unpleasant in the future.
Related words
distressPhysical or emotional discomfort, suffering, or alarm, particularly of a more acute nature.uneaseTrouble; misery; a feeling of disquiet or concern.agitationA disturbance of personal tranquillity; disturbance of someone's peace of mind.alarmAny sound or information intended to give notice of approaching danger; a warning sound to arouse attention; a warning of danger.irritationThe state of being irritated.horrorAn intense distressing emotion of fear or repugnance.