hypothyroidism

Noun

hypothyroidism - an underactive thyroid gland; a glandular disorder resulting from insufficient production of thyroid hormones

Antonyms:

hyperthyroidism, thyrotoxicosis - an overactive thyroid gland; pathologically excessive production of thyroid hormones or the condition resulting from excessive production of thyroid hormones

adenosis, cretinism, gland disease, glandular disease, glandular disorder, hyperthyroidism, myxedema, myxoedema, thyrotoxicosis