IPA: /ˌtrɛpɪˈdeɪʃən/
KK: /trɛpɪˈdeɪʃən/
A feeling of fear or anxiety about something that may happen.
She felt a sense of trepidation before giving her speech.
Trepidation → It is formed from "trepidare" (meaning to tremble) and the suffix "-tion" (indicating the action or process). The word describes the state or action of trembling or feeling anxious about something.
Think of the word 'tremble' — 'trepidation' means the feeling of trembling or anxiety about what might happen.