frightened out of one's wits
nervous
adj
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Affecting the nerves or nervous system.
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Easily agitated or alarmed; edgy, on edge.
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Apprehensive, anxious, hesitant, worried.
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Supplied with nerves; innervated.
How often have the words frightened out of one's wits and nervous occurred in a corpus of books? (source: Google Ngram Viewer )