1. A direction in music; to be played very loudly
   - fortissimo, very loudly

Encyclopedia: Ff

• drive line
• drive line system
• drive off
• drive out
• drive up
• drive-by
• drive-by killing
• drive-by shooting
• drive-in
• drive-through
• driveable
• drivel
• driveler
• driveller
• driven
• driven well
• driver
• driver ant
• driver's licence
• driver's license
• driveshaft
• driveway
• driving
• driving axle
• driving belt