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

Encyclopedia: Chronic fatigue syndrome

• sabra
• sabre
• sabre rattling
• sabre saw
• sabre-toothed
• sabre-toothed tiger
• sabretooth
• sabulous
• sac
• sac fungus
• Sacagawea
• Sacajawea
• saccade
• saccadic
• saccate
• saccharase
• saccharic acid
• saccharide
• saccharify
• saccharimeter
• saccharin
• saccharine
• saccharinity
• saccharometer
• Saccharomyces