underactive
English
Etymology
under- + active
Pronunciation
- Rhymes: -æktɪv
Adjective
underactive (comparative more underactive, superlative most underactive)
- Less than normally active.
- 1989 Apr, John A. McDougall, “Healthy by Choice”, in Vegetarian Times:
- Thus a person with an underactive thyroid can gain weight even on a low-calorie diet.
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Synonyms
- hypoactive
Antonyms
- overactive