Definition of trepidation noun from the Oxford Advanced American Dictionary

 

trepidation

 noun
noun
NAmE//ˌtrɛpəˈdeɪʃn//
 
[uncountable](formal)
 
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great worry or fear about something unpleasant that may happen He knocked on the door with some trepidation.
See the Oxford Advanced Learner's Dictionary entry: trepidation