Meaning of hyperthyroid

hy•per•thy•roid

Pronunciation: (hī"pur-thī'roid), [key]
— adj. Pathol.
  1. of, pertaining to, or having hyperthyroidism.
  2. characterized by extreme intensity, emotionalism, or lack of restraint: hyperthyroid journalism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.