underactive

English

Etymology

From under- +‎ active.

Pronunciation

  • Audio (US):(file)
  • Rhymes: -æktɪv

Adjective

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

Antonyms