Marked by speed, liveliness, and vigor; energetic
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Jabberwocky
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Contrail
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Brisk
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Afflatus
C
Correct answer
Explanation
Brisk means active, fast, and energetic, which directly matches the definition of marked by speed, liveliness, and vigor. Jabberwocky is a nonsense word from Lewis Carroll, contrail is a vapor trail from aircraft, and afflatus means divine inspiration.