ap ‧ pre ‧ hen ‧ sion /ˌæprɪˈhenʃ ə n/ BrE AmE noun
1 . [uncountable and countable] anxiety about the future, especially about dealing with something unpleasant or difficult SYN anxiety :
a feeling of apprehension
I woke before the alarm, filled with apprehension.
2 . [uncountable] formal the act of apprehending a criminal SYN arrest
3 . [uncountable] old-fashioned understanding