trepidation - /ˌtrɛpɪˈdeɪʃən/ - [trep-i-dey-shuhn]

noun

• An invoulntary trembling or quiver brought on by being frightened or being in a state of fear, dread or alarm.

E.g. The trepidation in the office was high as they waited to see who was going to be laid off.

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