formal
: a feeling of fear that causes you to hesitate because you think something bad or unpleasant is going to happen
He had/felt some trepidation about agreeing to their proposal.
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“Trepidation.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/trepidation. Accessed 14 Apr. 2026.
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