Definition of superlative for English Language Learners. grammar : the form of an adjective or adverb that is used to indicate the greatest degree of a particular quality : the superlative form of an adjective or adverb.
The body's systems speed up and cause symptoms that are common to hyperthyroidism when thereâs a high level of thyroid hormone in the bloodstream. Symptoms include: 1  anxiety. 2  irritability. 3  fatigue. 4  hand tremors. 5  increased or irregular heartbeat.6  excessive sweating. 7  difficulty sleeping.8  diarrhea or frequent bowel movements.he body's systems speed up and cause symptoms that are common to hyperthyroidism when thereâs a high level of thyroid hormone in the bloodstream. Symptoms include: 1  anxiety. 2  irritability. 3  fatigue. 4  hand tremors. 5  increased or irregular heartbeat. 6  excessive sweating. 7  difficulty sleeping. 8  diarrhea or frequent bowel movements.
Diseases of the thyroid gland include: 1  hyperthyroidism (too much thyroid hormone production), 2  hypothyroidism (too little thyroid hormone production), 3  hypothyroidism in pregnancy,4  hyperthyroidism in pregnancy, 5  post-partum thyroid disease, 6  thyroid cancer, and. 7  thyroid nodules.iseases of the thyroid gland include: 1  hyperthyroidism (too much thyroid hormone production), 2  hypothyroidism (too little thyroid hormone production), 3  hypothyroidism in pregnancy,