1. (medicine) poorly understood debilitating medical condition causing exhaustion, muscle and joint pain, and other symptoms
   - chronic fatigue syndrome, ME

Encyclopedia: Myalgic encephalomyelitis

• MEK
• Mekong
• Mekong River
• Mel Columcille Gerard Gibson
• Mel Gibson
• melaena
• melagra
• melagueta pepper
• melamine
• melamine resin
• Melampodium
• Melampodium leucanthum
• Melampsora
• Melampsora lini
• Melampsoraceae
• melancholia
• melancholiac
• melancholic
• melancholy
• melancholy thistle
• Melanchthon
• Melanerpes
• Melanerpes erythrocephalus
• terrific
• terrifically