1. Extremely irritating to the nerves
   "nerve-racking noise"
   - nerve-wracking, stressful, trying

See also: disagreeable

• multivalence
• multivalency
• multivalent
• multivariate
• multivariate analysis
• multiverse
• multiversity
• multivitamin
• multivitamin pill
• Mulwi
• mum
• Herschelian telescope
• herse
• herself
• Hershey
• Hershey bar
• herstory
• Hertford
• Hertfordshire
• Hertha
• hertz
• Hertzian
• Hertzian wave
• Hertzsprung-Russell diagram
• Herzberg