- 1[uncountable, countable] worry or fear that something unpleasant may happen synonym anxiety There is growing apprehension that fighting will begin again. He watched the election results with some apprehension. There is apprehension about the safety of the missing children. They shivered with apprehension.
- 2[uncountable] (formal) the act of capturing or arresting someone, usually by the police the apprehension of the terrorists in the early hours of this morning