high keyed

/ˈhaɪ ˈkiːd/
adjective
  1. Very nervous, tense, or easily excited; having a high-strung personality.
    • His high-keyed nature made him a great performer but a difficult person to relax with.
    • The high-keyed puppy barked at every little noise in the house.
    • She was so high-keyed before the exam that she couldn't sit still.
Antonyms