1. Abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet
   - goiter [N. Amer], goitre [Brit, Cdn], struma

Type of: disease

• imprecise
• imprecisely
• impreciseness
• imprecision
• impregnability
• impregnable
• impregnably
• impregnant
• impregnate
• impregnation
• impresa
• impresario
• impress
• impressed
• impressibility
• impressible
• impression
• impressionability
• impressionable
• Impressionism
• impressionist
• impressionistic
• impressive
• impressive aphasia
• impressively