1. Silent, not saying anything
   "Organized crime is thriving online but many victims want to keep stumm"
   - shtum, schtum, shtoom

Encyclopedia: Stumm

• Biro
• birr
• birretta
• birth
• birth canal
• birth certificate
• birth control
• birth control device
• birth control pill
• birth defect
• birth pangs
• birth prevention
• birth trauma
• birth-control campaigner
• birth-control reformer
• birthday
• birthday cake
• birthday card
• birthday gift
• birthday party
• birthday present
• birthday suit
• birthing
• birthing coach
• birthmark