underactive

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English[edit]

Etymology[edit]

under- +‎ active

Pronunciation[edit]

Adjective[edit]

underactive (comparative more underactive, superlative most underactive)

  1. Less than normally active.
    • 1989 Apr, John A. McDougall, “Healthy by Choice”, in Vegetarian Times[1]:
      Thus a person with an underactive thyroid can gain weight even on a low-calorie diet.

Synonyms[edit]

Antonyms[edit]