Final answer:
The correct vocabulary word is 'imperious', which means to be domineering or bossy.
Step-by-step explanation:
The correct vocabulary word to fill in the blank in the given sentence is imperious. This word means to be domineering or bossy, which perfectly describes Jenny's behavior. It implies that she exerted authority and control over others by giving orders and expecting them to be followed. An example sentence using 'imperious' could be: 'The imperious CEO demanded that all employees work overtime without question.'
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