What are the antonyms for UNDERACTIVE?

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Synonyms for UNDERACTIVE

Usage Examples for UNDERACTIVE

  1. She had become quite familiar with antibiotics for her colds and flu, and also took synthetic thyroid hormone- the doctor had diagnosed her fatigue as being caused by an underactive thyroid, which was partly correct- but the thyroid medication didn't give her much more energy. - "How and When to Be Your Own Doctor" by Dr. Isabelle A. Moser with Steve Solomon